Aviation Themed Blanks

Hughes H-4 Hercules - Spruce Goose solid wood and embedded blanks.

All blanks will come with one COA per blank. 
COAs are 4" x 6" card stock with foil COA seal.

Embedded Object Blanks ORIGINAL Cloth and Wood from the Spruce Goose!

EMBEDDED BLANKS:
Sierra clone 27/64" blanks 
JR 12.5mm embedded cap and  2-1/4"x 3/4" wood blank 

FULL WOOD BLANKS:
5" x 3/4" short blanks
2-1/2" x 3/4" short blanks 
Extra COAs are $3 each

The Hughes H-4 Hercules (also known as the Spruce Goose; registration NX37602) is a prototype strategic airlift flying boat designed and built by the Hughes Aircraft Company. Intended as a transatlantic flight transport for use during World War II, it was not completed in time to be used in the war. The aircraft made only one brief flight on November 2, 1947, and the project never advanced beyond the single example produced.

Built from wood because of wartime restrictions on the use of aluminum and concerns about weight, the aircraft was nicknamed the Spruce Goose by critics, although it was made almost entirely of birch. The Hercules is the largest flying boat ever built, and it had the largest wingspan of any aircraft that had ever flown until the Scaled Composites Stratolaunch first flew on April 13, 2019. The aircraft remains in good condition. After having been displayed to the public in Long Beach, California, from 1980 to 1991, it is now on display at the Evergreen Aviation & Space Museum in McMinnville, Oregon, United States.

General characteristics

• Crew: three

• Length: 218 ft 8 in (66.65 m)

• Wingspan: 320 ft 11 in (97.54 m)

• Height: 79 ft 4 in (24.18 m)

• Fuselage height: 30 ft (9.1 m)

• Empty weight: 250,000 lb (113,399 kg)

• Loaded weight: 400,000 lb (180,000 kg)

• Powerplant: 8 × Pratt & Whitney R-4360 Wasp Major radial engines, 3,000 hp (2,640 kW) each

• Propellers: four-bladed Hamilton Standard, prop, one per engine

• Propeller diameter: 17 ft 2 in (5.23 m)

• Cruise speed: 250 mph (407.98 km/h)

• Range: 3,000 mi (4,800 km)

• Service ceiling: 20,900 ft (6,370 m)

• Role: Heavy transport flying boat

• National origin: United States

• Manufacturer: Hughes Aircraft

• First flight: November 2, 1947

• Status: On display

• Produced: 1947

• Number built: 1

• Unit cost: $2.5 million

• Other name: Spruce Goose

• Registration: NX37602

• Flights: 1

• Preserved at Evergreen Aviation & Space Museum

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra and Bolt embedded blanks with Lockheed F-117A Nighthawk.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

Our Lockheed F-117A Nighthawk pen blanks capture the stealth and mystique of this iconic aircraft. Known as the "Stealth Fighter," the F-117A revolutionized warfare with its angular, radar-evading design. First flown in 1981 and revealed to the public in 1988, it was a cornerstone of U.S. air superiority, excelling in precision strikes during the Gulf War, where it flew 1,300 sorties without a single loss. Its faceted shape, coated in radar-absorbent material, made it nearly invisible to enemy defenses, earning its "Nighthawk" nickname. Powered by two General Electric F404 engines, it delivered unmatched covert strike capabilities until its retirement in 2008.

Each pen blank is crafted from authentic F-117A materials, preserving the legacy of this groundbreaking aircraft. Ideal for collectors, military enthusiasts, or anyone inspired by innovation, these blanks transform stealth history into a timeless writing instrument.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with Lockheed F-16 Fighting Falcon aluminum wing material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

Our Lockheed F-16 Fighting Falcon pen blanks embody the agility and power of this legendary multirole fighter. Nicknamed the "Viper" for its sleek design and fierce performance, the F-16 first flew in 1974 and remains a mainstay of air forces worldwide. Renowned for its fly-by-wire controls, single-engine efficiency, and versatility, it has excelled in air-to-air combat and ground attack missions, including Operations Desert Storm and Iraqi Freedom. With over 4,500 units built, the F-16’s maneuverability, advanced radar, and combat-proven record make it a symbol of aerial dominance.

Each pen blank is crafted from authentic F-16 materials, specifically from serial number 80-0542, offering a tangible connection to this iconic aircraft. Perfect for aviation enthusiasts, veterans, or collectors, these blanks transform the Viper’s legacy into a unique, functional keepsake.

Serial Number 80-0542 History: F-16A 80-0542 was delivered to the U.S. Air Force in 1981. While specific service details may vary, F-16s of this era served in critical roles across U.S. and NATO operations, contributing to air defense and tactical missions during the Cold War and beyond.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with Lockheed SR-71 Blackbird titanium material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The Lockheed SR-71 "Blackbird" is a long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by Lockheed Corporation. It was operated by both the United States Air Force and NASA.

The SR-71 was developed as a black project from the Lockheed A-12 reconnaissance aircraft during the 1960s by Lockheed's Skunk Works division. The shape of the SR-71 was based on that of the A-12, which was one of the first aircraft to be designed with a reduced radar cross-section. Mission equipment for the reconnaissance role included signals intelligence sensors, a side-looking airborne radar, and a photo camera. The aircraft was introduced to operational service in January 1966.

SR-71 is made of 92% titanium, a metal or rutile. It was in short supply in the United States, and the Skunk Works team was forced to look elsewhere for the metal. The major supplier of the ore was the USSR. Working through Third World countries and bogus operations, they were able to get the rutile ore shipped to the United States to build the SR-71.

During missions, the SR-71 operated at high speeds and altitudes of Mach 3.2 and 85,000 feet to allow it to outrace threats. If a surface-to-air missile launch was detected, the standard evasive action was simply to accelerate and outfly the missile. A total of 32 aircraft were built; 12 were lost in accidents with none lost to enemy action. The SR-71 was retired largely due to political reasons in 1988; several were briefly reactivated during the 1990s before their second retirement in 1998. NASA was the final operator retiring them in 1999. As of 2020, the SR-71 continues to hold the world record it set in 1976 for the fastest air-breathing manned aircraft.

These blanks are made with titanium material embeds from the wreckage of SR-71 'Super Skater' serial number 17970. This aircraft was lost on 17 June 1970 following a re-fueling collision with a KC-135Q tanker. The material is certified and distributed by Hardin Penworks, LLC. This material is guaranteed to be 100% Authentic.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with Lockheed U-2 Dragon Lady aluminum wing material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The Lockheed U-2, nicknamed "Dragon Lady", is an American single-jet engine, high altitude reconnaissance aircraft operated by the United States Air Force and previously flown by the Central Intelligence Agency. It provides day and night, high-altitude, all-weather intelligence gathering.

Lockheed Corporation originally proposed it in 1953, it was approved in 1954, and its first test flight was in 1955. It was flown during the Cold War over the Soviet Union, China, Vietnam, and Cuba. In 1960, Gary Powers was shot down in a CIA U-2A over the Soviet Union by a surface-to-air missile. Major Rudolf Anderson Jr. was shot down in a U-2 during the Cuban Missile Crisis in 1962.

U-2s have taken part in post-Cold War conflicts in Afghanistan and Iraq and supported several multinational NATO operations. The U-2 has also been used for electronic sensor research, satellite calibration, scientific research, and communications purposes. The U-2 is one of a handful of aircraft types to have served the USAF for over 50 years, along with the Boeing B-52, Boeing KC-135, and Lockheed C-130. The newest models, TR-1, U-2R, & U-2S, entered service in the 1980s, and the latest model, the U-2S, had a technical upgrade in 2012.

U-2, serial number 1078, was built as a TR-1A in March 1985. On April 24th, 1990, this aircraft crashed at RAF Alconbury in the UK, with no fatalities, and was subsequently rebuilt as a U-2ST trainer.

This aluminum relic is from the original section of 1078’s outer wing skin paneling, and it was recovered from the scene of the 1990 accident.

This titanium material is from the wreckage of SR-71 'Super Skater' serial number 17970. This aircraft was lost on 17 June 1970 following a re-fueling collision with a KC-135Q tanker. The material is certified and distributed by Hardin Penworks, LLC. This material is guaranteed to be 100% Authentic.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with original aluminum frame fragments of the Hindenburg Luftschiff Zeppelin #129.

All blanks will come with one COA per blank. 
COAs are 4" x 6" card stock with foil COA seal.

Here is a macro-specimen of duralum (aircraft grade aluminum) cut from the wreckage of the famous LZ-129 Zeppelin der Hindenburg! This is NEWLY FOUND MATERIAL just released from the Frazier Collection! Acquired at an estate sale in Germany a few years ago. We know of its tragic loss in 1937 at Lakehurst, New Jersey. What we don't know is why! And most likely never will... This specimen is a small world-class piece embedded in Royal Palm.

LZ 129 Hindenburg (Luftschiff Zeppelin #129; Registration: D-LZ 129) was a large German commercial passenger-carrying rigid airship, the lead ship of the Hindenburg class, the longest class of flying machine and the largest airship by envelope volume. It was designed and built by the Zeppelin Company (Luftschiffbau Zeppelin GmbH) on the shores of Lake Constance in Friedrichshafen and was operated by the German Zeppelin Airline Company (Deutsche Zeppelin-Reederei). The airship flew from March 1936 until it was destroyed by fire 14 months later on May 6, 1937 while attempting to land at Lakehurst Naval Air Station in Manchester Township, New Jersey, at the end of the first North American transatlantic journey of its second season of service with the loss of 36 lives.

Pen turned by Tim Boddy

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with McDonnell Douglas F-4B Phantom II material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The McDonnell Douglas F-4B Phantom II, a twin-engine, all-weather fighter-bomber, was a mainstay of U.S. naval aviation. First flown on May 27, 1958, and entering service in 1960, it was renowned for its versatility and power. Powered by two General Electric J79-GE-8 engines, each producing 17,000 pounds of thrust, it reached speeds of Mach 2.2 and had a range of 1,600 miles. Its 38-foot wingspan and armament, including AIM-7 Sparrow and AIM-9 Sidewinder missiles, plus up to 16,000 pounds of bombs, made it lethal in air-to-air and air-to-ground roles. The F-4B saw extensive action in Vietnam, flying over 5,000 sorties for the Navy and Marine Corps, and set multiple speed and altitude records. Its rugged design and distinctive shape earned it the nickname “Rhino.”

These pen blanks are crafted from the authentic fuselage of F-4B Phantom II, Bureau Number 148369, preserving its combat legacy. Perfect for aviation enthusiasts, veterans, or collectors, they transform this iconic aircraft into a timeless writing instrument.

Bureau Number 148369 History: Delivered in 1961, BuNo 148369 served with Marine Fighter Attack Squadron 542 (VMFA-542) during the Vietnam War, flying combat missions from Da Nang Air Base in 1965. It later operated with various Navy squadrons before retirement. Sourced from the Flying Leatherneck Aviation Museum, its materials carry the scars of service.

These blanks are embedded with a small piece of the original metal from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline. 

The McDonnell Douglas F/A-18A Hornet, a twin-engine, all-weather, carrier-capable multirole fighter, redefined naval aviation with its versatility. First flown on November 18, 1978, and entering service in 1983, the Hornet, nicknamed the "Rhino," was designed for both air-to-air and air-to-ground missions. Powered by two General Electric F404-GE-402 engines, each producing 17,700 pounds of thrust, it achieves a top speed of Mach 1.8 at 40,000 feet. Its digital fly-by-wire system, the first in a production fighter, ensures exceptional maneuverability. The F/A-18A carries a 20mm M61A1 cannon and up to 13,700 pounds of weapons, including AIM-9 Sidewinder, AIM-7 Sparrow, and AGM-65 Maverick missiles. During Operation Desert Storm, Hornets demonstrated their prowess by shooting down Iraqi MiG-21s and bombing targets in the same mission. With a 6,000-hour service life and robust design, it served the U.S. Navy, Marine Corps, and allies like Canada and Australia, including the Blue Angels from 1987 to 2020.

These pen blanks are crafted from materials of F/A-18A Hornet, Bureau Number 162437, preserving its legacy. Ideal for collectors, veterans, or aviation enthusiasts, they transform this combat-proven aircraft into a functional heirloom.

Bureau Number 162437 History: Delivered in 1986, this F/A-18A served with distinction, notably with the Blue Angels as aircraft #5. It flew combat missions and later performed in airshows, showcasing the Hornet’s agility. After retirement, its materials were repurposed for these unique pen blanks, honoring its storied service.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

NASA Apollo 11 blanks.

All blanks will come with one COA per blank. 
COAs are 4" x 6" card stock with foil COA seal.

Blank Tube Size Descriptions:

• Jr Series blanks are double tube set 12.5mm tubes and 10.5mm lower tubes

• Sierra Clone blanks are single 27/64" tubes

• Custom single Tube or Double Tube Sets available. (Two Week Delivery) Specify tube size needed in notes at check out.

Apollo 11 was the American spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin landed the Apollo Lunar Module Eagle on July 20, 1969, and Armstrong became the first person to step onto the Moon's surface. Aldrin joined him, and they spent about two hours fifteen minutes together exploring the site they had named Tranquility Base upon landing. While Armstrong and Aldrin collected 47.5 pounds of lunar material to bring back to Earth, pilot Michael Collins flew the Command Module Columbia in lunar orbit. Armstrong and Aldrin were on the Moon's surface for 21 hours, 36 minutes before lifting off to rejoin Columbia.

Apollo 11 was launched by a Saturn V rocket from Kennedy Space Center on Merritt Island, FL, on July 16, and it was the fifth crewed mission of NASA's Apollo program. The Apollo spacecraft had three parts: a command module with a cabin for the three astronauts, the only part that returned to Earth; a service module, which supported the command module with propulsion, electrical power, oxygen, and water; and a two-stage lunar module — a descent stage for landing on the Moon and an ascent stage to move back into lunar orbit.

After traveling three days until they entered lunar orbit, Armstrong and Aldrin then moved into Eagle and landed in the Sea of Tranquility on July 20. The astronauts used Eagle's ascent stage to lift off from the lunar surface and rejoin Collins in the command module. The astronauts returned to Earth and splashed down in the Pacific Ocean on July 24 after more than eight days in space. The Apollo 11 space capsule was recovered by the USS Hornet (CV-12).

This piece of Kapton foil is from a larger section removed from the lunar lander prior to launch, due to a defect in a squib valve. To remove and replace the valve, some of the Kapton thermal blanket had to be removed and replaced. Since this piece was removed prior to launch, it did not fly in space or to the moon. It was an original part of the lunar lander, Eagle, and a fine artifact from the historic Apollo 11 mission.

USS Hornet (CV-12) is an Essex-class aircraft carrier built for the United States Navy (USN) during World War II. After service during both the Korean War and Vietnam War, Hornet was the recovery ship for the Apollo program for both the Apollo 11 and Apollo 12 missions to the moon. She was eventually designated as both a National Historic Landmark and a California Historical Landmark, and she opened to the public as the USS Hornet Museum in Alameda, CA, in 1998.

These blanks were crafted using materials from an original US Postage Stamp #479100 and original Kapton foil from the Apollo 11 lunar lander Eagle, and a wood relic from the deck of the USS Hornet (CV-12). The materials used are certified and distributed by Hardin Penworks, LLC. This material is guaranteed to be 100% Authentic.

NASA Space Shuttle Challenger Embedded Pen Blanks

NASA Space Shuttle Challenger space-flown double embedded material blanks for Jr Series, Sierra Clone, and Shuttle Kit (Wood Turningz), and custom order tube size blanks available as singles or sets.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

Blank Tube Size Descriptions:

• Jr Series blanks are double tube set 12.5mm tubes and 10.5mm lower tubes

• Sierra Clone blanks are single 27/64" tubes

• Shuttle Kit blanks are for the Shuttle Kit from Wood Turningz single 10mm tube.

• Custom single Tube or Double Tube Sets available. (Two Week Delivery) Specify tube size needed in notes at check out.

Space Shuttle Challenger materials:

Hardin Penworks, LLC, certifies that material supplied to the artisan of the accompanying hand-crafted item was sourced from the Space Shuttle Challenger, NASA’s Orbiter Vehicle OV-099.

The embedded space flown materials are foam tile from multiple shuttle missions and paperwork from the STS-8 mission. Challenger was used for numerous civilian satellite launches, and it also used to repair a malfunctioning telescope. On its 10th flight in January 1986, Challenger disintegrated 73 seconds after liftoff killing the crew of STS-51-L. An O-ring seal in one of the solid rocket boosters failed to contain pressurized burning gas that leaked out of the booster causing a structural failure of Challenger's external tank and the orbiter's subsequent disintegration.

During its three years of operation, Challenger was flown on 10 missions in the Space Shuttle program, spending over 62 days in space for a total of 1,496 hours. Completing 995 orbits around Earth, Challenger traveled 25,803,939 miles.

Material Vision & Turning Notes:

Challenger blanks feature authentic foam tile from multiple missions paired with original STS-8 paperwork, offering a unique mix of lightweight thermal protection material and historical flight documents. These embedded pieces turn beautifully with standard techniques—use light cuts to avoid chipping the foam while revealing the rich history within. Perfect for creating Jr Series, Sierra, or custom pens that honor the legacy of America’s space program.

Finish Recommendation:

For the ultimate mirror-like shine that highlights every detail of the space-flown materials, we recommend our Magic Juice Polishing Compound.

Space Shuttle history:

The Space Shuttle was the first operational orbital spacecraft designed for reuse. Each Shuttle was designed for a projected lifespan of 100 launches or ten years of operational life, although this was later extended.

Each Space Shuttle was a reusable launch system composed of three main assemblies: the reusable orbital vehicle (OV), the expendable ET, and the two reusable solid rocket boosters (SRB). Only the OV entered orbit shortly after the tank and boosters are jettisoned. The vehicle was launched vertically like a conventional rocket, and the orbiter glided to a horizontal landing like an airplane, after which it was refurbished for reuse. The SRBs parachuted to splashdown in the ocean where they were towed back to shore and refurbished for later Shuttle missions.

Five operational OVs were built: Columbia (OV-102), Challenger (OV-099), Discovery (OV-103), Atlantis (OV-104), and Endeavour (OV-105). A mock-up, Inspiration, currently stands at the entrance to the Astronaut Hall of Fame. An additional craft, Enterprise (OV-101), was built for atmospheric testing gliding and landing; it was originally intended to be outfitted for orbital operations after the test program, but it was found more economical to upgrade the structural test article STA-099 into orbiter Challenger (OV-099).

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

NASA Space Shuttle Columbia Embedded Pen Blanks

NASA Space Shuttle Columbia space-flown double embedded material blanks for Jr Series, Sierra Clone, and Shuttle Kit (Wood Turningz), and custom order tube size blanks available as singles or sets.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

Blank Tube Size Descriptions:

• Jr Series blanks are double tube set 12.5mm tubes and 10.5mm lower tubes

• Sierra Clone blanks are single 27/64" tubes

• Shuttle Kit blanks are for the Shuttle Kit from Wood Turningz single 10mm tube.

• Custom single Tube or Double Tube Sets available. (Two Week Delivery) Specify tube size needed in notes at check out.

Space Shuttle Columbia materials:

Hardin Penworks, LLC, certifies that material supplied to the artisan of the accompanying hand-crafted item was sourced from the Space Shuttle Columbia, NASA’s Orbiter Vehicle OV-102.

The embedded lower black material was sourced from a nose gear tire flown on the Columbia during mission STS-28. This mission was the 4th mission dedicated to the Department of Defense and the 8th flight of Columbia. The embedded upper cloth was sourced from the payload bay liner flown on Columbia during the 10-day STS-109 mission. This mission was the 108th mission of the shuttle program, the 27th of the orbiter Columbia, the 4th servicing the Hubble Space Telescope, and the last successful mission of the Columbia before the ill-fated STS-107 mission disaster in Feb. 2003.

During nearly 22 years of service, Columbia flew 28 missions, carried 207 crew members, orbited our Earth 4,808 times, traveled 125,204,911 miles, and spent 300 days, 17 hours, 40 minutes, and 22 seconds in space travel.

Material Vision & Turning Notes:

Columbia blanks showcase the deep black of a flown nose gear tire from STS-28 alongside the textured payload bay liner cloth from the historic STS-109 Hubble servicing mission. The combination delivers striking visual depth and tactile contrast that polishes to a stunning finish. These blanks respond well to sharp tools and light passes, making them ideal for Jr Series, Sierra, or custom shuttle-themed pens destined to spark stories of exploration and resilience.

Finish Recommendation:

For the ultimate mirror-like shine that highlights every detail of the space-flown materials, we recommend our Magic Juice Polishing Compound.

Space Shuttle history:

The Space Shuttle was the first operational orbital spacecraft designed for reuse. Each Shuttle was designed for a projected lifespan of 100 launches or ten years of operational life, although this was later extended.

Each Space Shuttle was a reusable launch system composed of three main assemblies: the reusable orbital vehicle (OV), the expendable ET, and the two reusable solid rocket boosters (SRB). Only the OV entered orbit shortly after the tank and boosters are jettisoned. The vehicle was launched vertically like a conventional rocket, and the orbiter glided to a horizontal landing like an airplane, after which it was refurbished for reuse. The SRBs parachuted to splashdown in the ocean where they were towed back to shore and refurbished for later Shuttle missions.

Five operational OVs were built: Columbia (OV-102), Challenger (OV-099), Discovery (OV-103), Atlantis (OV-104), and Endeavour (OV-105). A mock-up, Inspiration, currently stands at the entrance to the Astronaut Hall of Fame. An additional craft, Enterprise (OV-101), was built for atmospheric testing gliding and landing; it was originally intended to be outfitted for orbital operations after the test program, but it was found more economical to upgrade the structural test article STA-099 into orbiter Challenger (OV-099).

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

NASA Space Shuttle Discovery Embedded Pen Blanks

NASA Space Shuttle Discovery space-flown double embedded material blanks for Jr Series, Sierra Clone, and Shuttle Kit (Wood Turningz), and custom order tube size blanks available as singles or sets.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

Blank Tube Size Descriptions:

• Jr Series blanks are double tube set 12.5mm tubes and 10.5mm lower tubes

• Sierra Clone blanks are single 27/64" tubes

• Shuttle Kit blanks are for the Shuttle Kit from Wood Turningz single 10mm tube.

• Custom single Tube or Double Tube Sets available. (Two Week Delivery) Specify tube size needed in notes at check out.

Space Shuttle Discovery materials:

Hardin Penworks, LLC, certifies that material supplied to the artisan of the accompanying hand-crafted item was sourced from the Space Shuttle Discovery, NASA’s Orbiter Vehicle OV-103.

The embedded upper cloth was sourced from the payload bay liner flown on the Discovery during the 7-day STS-82 mission. This mission was the 22nd flight of the Discovery and the 82nd mission of the Space Shuttle program. It was the second mission to service the Hubble Space Telescope. The crew repaired and upgraded the telescope's scientific instruments, increasing its research capabilities and achieved the highest altitude ever attained by an STS Orbiter, 335 nautical miles. The embedded lower red material is from the payload bay door seal of multiple STS missions.

During nearly 27 years of service, the Discovery flew 39 missions, carried 252 crew members, orbited our Earth 4,808 times, traveled 148,221,675 miles, and spent 365 days, 22 hours, 39 minutes, and 33 seconds in space travel.

Material Vision & Turning Notes:

Discovery blanks pair the woven payload bay liner cloth from the record-setting STS-82 Hubble servicing mission with rich red material from multiple payload bay door seals. The layered textures and vibrant color accents create bold, eye-catching pens once turned and polished. Light, controlled cuts preserve the integrity of the aerospace materials, making these excellent choices for Jr Series, Sierra, or custom builds.

Finish Recommendation:

For the ultimate mirror-like shine that highlights every detail of the space-flown materials, we recommend our Magic Juice Polishing Compound.

Space Shuttle history:

The Space Shuttle was the first operational orbital spacecraft designed for reuse. Each Shuttle was designed for a projected lifespan of 100 launches or ten years of operational life, although this was later extended.

Each Space Shuttle was a reusable launch system composed of three main assemblies: the reusable orbital vehicle (OV), the expendable ET, and the two reusable solid rocket boosters (SRB). Only the OV entered orbit shortly after the tank and boosters are jettisoned. The vehicle was launched vertically like a conventional rocket, and the orbiter glided to a horizontal landing like an airplane, after which it was refurbished for reuse. The SRBs parachuted to splashdown in the ocean where they were towed back to shore and refurbished for later Shuttle missions.

Five operational OVs were built: Columbia (OV-102), Challenger (OV-099), Discovery (OV-103), Atlantis (OV-104), and Endeavour (OV-105). A mock-up, Inspiration, currently stands at the entrance to the Astronaut Hall of Fame. An additional craft, Enterprise (OV-101), was built for atmospheric testing gliding and landing; it was originally intended to be outfitted for orbital operations after the test program, but it was found more economical to upgrade the structural test article STA-099 into orbiter Challenger (OV-099).

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

NASA Space Shuttle Endeavour Embedded Pen Blanks

NASA Space Shuttle Endeavour space-flown double embedded material blanks for Jr Series, Sierra Clone, and Shuttle Kit (Wood Turningz), and custom order tube size blanks available as singles or sets.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

Blank Tube Size Descriptions:

• Jr Series blanks are double tube set 12.5mm tubes and 10.5mm lower tubes

• Sierra Clone blanks are single 27/64" tubes

• Shuttle Kit blanks are for the Shuttle Kit from Wood Turningz single 10mm tube.

• Custom single Tube or Double Tube Sets available. (Two Week Delivery) Specify tube size needed in notes at check out.

Space Shuttle Endeavour materials:

Hardin Penworks, LLC, certifies that material supplied to the artisan of the accompanying hand-crafted item was sourced from the Space Shuttle Endeavour, NASA’s Orbiter Vehicle OV-105.

The embedded upper foil was sourced from an insulating blanket flown on the Endeavour during the 10-day STS-77 mission. This mission was the 11th flight of the Endeavour and the 77th mission of the Space Shuttle program. During the orbiter’s flight, the Endeavor crew performed microgravity research aboard the commercially owned and operated SPACEHAB module. The mission also deployed and retrieved the Spartan-207/IAE satellite and rendezvoused with a test satellite. The lower embedded material is foam tile from multiple shuttle missions.

During nearly 19 years of service, the Endeavour flew 25 missions, carried 173 crew members, orbited our Earth 4,671 times, traveled 122,883,151 miles, and spent 296 days, 3 hours, 34 minutes, and 2 seconds in space travel.

Material Vision & Turning Notes:

Endeavour blanks combine insulating blanket foil from the STS-77 microgravity research mission with foam tile from across the program, producing a beautiful interplay of metallic sheen and lightweight thermal material. These respond excellently to standard turning methods with feather-light passes to protect the delicate embedded elements. Turn them into standout Jr Series, Sierra, or custom pens that celebrate one of NASA’s most versatile orbiters.

Finish Recommendation:

For the ultimate mirror-like shine that highlights every detail of the space-flown materials, we recommend our Magic Juice Polishing Compound.

Space Shuttle history:

The Space Shuttle was the first operational orbital spacecraft designed for reuse. Each Shuttle was designed for a projected lifespan of 100 launches or ten years of operational life, although this was later extended.

Each Space Shuttle was a reusable launch system composed of three main assemblies: the reusable orbital vehicle (OV), the expendable ET, and the two reusable solid rocket boosters (SRB). Only the OV entered orbit shortly after the tank and boosters are jettisoned. The vehicle was launched vertically like a conventional rocket, and the orbiter glided to a horizontal landing like an airplane, after which it was refurbished for reuse. The SRBs parachuted to splashdown in the ocean where they were towed back to shore and refurbished for later Shuttle missions.

Five operational OVs were built: Columbia (OV-102), Challenger (OV-099), Discovery (OV-103), Atlantis (OV-104), and Endeavour (OV-105). A mock-up, Inspiration, currently stands at the entrance to the Astronaut Hall of Fame. An additional craft, Enterprise (OV-101), was built for atmospheric testing gliding and landing; it was originally intended to be outfitted for orbital operations after the test program, but it was found more economical to upgrade the structural test article STA-099 into orbiter Challenger (OV-099).

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with WWII North American Aviation P-51 Mustang aluminum wing material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The North American Aviation P-51 Mustang is an American long-range, single-seat fighter and fighter-bomber used during World War II and the Korean War, among other conflicts. The Mustang was designed in April 1940 by a design team headed by James Kindelberger of North American Aviation in response to a requirement of the British Purchasing Commission. The Purchasing Commission approached North American Aviation to build Curtiss P-40 fighters, but North American Aviation proposed the design and production of a more modern fighter. The prototype NA-73X airframe was rolled out on 9 September 1940, 102 days after the contract was signed.

The definitive version, the P-51D, was powered by the Packard V-1650-7, a license-built version of the two-speed two-stage-supercharged Merlin 66 and was armed with six .50 caliber AN/M2 Browning machine guns. P-51s were used by the USAAF's Eighth Air Force to escort bombers in raids over Germany. The RAF's Second Tactical Air Force and the USAAF's Ninth Air Force used the Merlin-powered Mustangs as fighter-bombers to ensure Allied air superiority in 1944.

The P-51 was also used by Allied air forces in the North African, Mediterranean, Italian and Pacific theaters. During World War II, Mustang pilots claimed to have destroyed 4,950 enemy aircraft.

During the Korean War, the Mustang had been redesignated F-51. It was the main fighter of the United States until jet fighters like North American's F-86 took over this role. The Mustang then became a specialized fighter-bomber. Despite the advent of jet fighters, the Mustang remained in service with some air forces until the early 1980s. After the Korean War, Mustangs became popular civilian warbirds and air racing aircraft.

These blanks are made using original aluminum from USAAF P-51D Mustang, serial number 44-14379. This P-51D 'Little Doc' was engaged in aerial combat with four German Me 262 jet fighters on April 5, 1945. After damaging one 262, Lt. Cowley in 'Little Doc' was hit, and Cowley bailed out. Though wounded, Cowley landed safely in Belgium and returned to his unit. This aircraft was excavated in 2006. The material is certified and distributed by Hardin Penworks, LLC. This material is guaranteed to be 100% Authentic.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra and Bolt embedded blanks with WWII North American B-25 Mitchell aluminum wing material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The North American B-25 Mitchell is an American medium bomber that was introduced in 1941 and named in honor of Major General William "Billy" Mitchell, a pioneer of U.S. military aviation. Used by many Allied air forces, the B-25 served in every theater of World War II, and after the war ended, many remained in service, operating across four decades. Produced in numerous variants, nearly 10,000 B-25s were built. These included several limited models such as the F-10 reconnaissance aircraft, the AT-24 crew trainers, and the United States Marine Corps' PBJ-1 patrol bomber.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with North American T-28C Trojan material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The North American T-28C Trojan, a piston-engine military trainer, was a cornerstone of U.S. Navy pilot training in the post-World War II era. First flown in 1949 and entering service in 1950, it was designed to replace the T-6 Texan. Powered by a Wright R-1820-86 Cyclone engine producing 1,425 horsepower, the Trojan reached speeds of 343 mph and had a range of 1,060 miles. The T-28C variant, built for the Navy, featured a tailhook, shorter propeller, and reinforced structure for carrier landings, making it ideal for advanced training. Nearly 2,000 T-28s were produced, including 299 C models, training pilots in aerobatics, gunnery, and carrier operations. During the Vietnam War, some Trojans served in counter-insurgency roles. Its predictable handling and excellent visibility earned it the nickname “Pilot Maker.”

These pen blanks are crafted from the authentic fuselage skin of T-28C Trojan, Bureau Number 140597, preserving its legacy. Ideal for aviation enthusiasts, veterans, or collectors, they transform this trainer’s history into a unique writing instrument.

Bureau Number 140597 History: Accepted by the Navy in December 1956, BuNo 140597 served primarily with Training Squadrons Two (VT-2) and Three (VT-3) at NAS Whiting Field, Florida. In 1968, VT-3 set a record with 174 instructors and 162 T-28s, flying 110,000 instructional hours. Retired to the Military Aircraft Storage and Disposition Center in 1975, it was sold in 1982.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra embedded blanks with Northrop B-2 Spirit metal material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The Northrop B-2 Spirit, commonly known as the Stealth Bomber, is a cornerstone of U.S. Air Force strategic capabilities. Introduced in 1997, this subsonic, flying-wing aircraft was designed for stealth, enabling it to penetrate advanced air defenses undetected. Powered by four General Electric F118-GE-100 engines, each producing 17,300 pounds of thrust, the B-2 can carry up to 40,000 pounds of ordnance, including nuclear and conventional weapons. Its range exceeds 6,000 nautical miles without refueling, extendable with aerial refueling, making it a global strike platform.

The B-2’s stealth is achieved through its low-observable design, radar-absorbent materials, and advanced heat signature management. A notable component is the titanium upper engine exhaust shield, which mitigates the heat signature of the F118 engines. For instance, a section of titanium from such a shield, replaced due to in-flight cracking, highlights the material’s critical role in thermal stealth. This panel was later redesigned to enhance durability, reflecting ongoing improvements in B-2 maintenance.

With only 21 units built, each costing approximately $2.1 billion, the B-2 remains one of the most expensive aircraft ever produced. Operated by the 509th Bomb Wing at Whiteman Air Force Base, Missouri, it has seen combat in conflicts like Kosovo, Iraq, and Afghanistan, delivering precise, high-impact strikes.

These titanium embedded blanks are crafted from a Northrop B-2 Spirit’s upper engine exhaust shield, replaced due to structural cracking. The material is certified and distributed by Hardin Penworks, LLC, and is guaranteed to be 100% authentic.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Pre-tubed embedded blanks with Northrop P-61B Black Widow material.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The Northrop P-61 Black Widow is a twin-engine United States Army Air Forces fighter aircraft of World War II. It was the first operational U.S. warplane designed as a night fighter.

Named for the North American spider Latrodectus mactans, it was an all-metal, twin-engine, twin-boom design armed with four forward-firing 20 mm (.79 in) Hispano M2 autocannon in the lower fuselage, and four .50 in (12.7 mm) M2 Browning machine guns in a dorsal gun turret. Developed during the war, the first test flight was made on 26 May 1942, with the first production aircraft rolling off the assembly line in October 1943.

Although not produced in the large numbers of its contemporaries, the Black Widow was operated effectively as a night fighter by United States Army Air Forces squadrons in the European Theater, Pacific Theater, China Burma India Theater, and Mediterranean Theater during World War II. It replaced earlier British-designed night-fighter aircraft that had been updated to incorporate radar when it became available. After the war, the P-61 was redesignated as the F-61, and served in the United States Air Force as a long-range, all-weather, day/night interceptor for Air Defense Command until 1948, and for the Fifth Air Force until 1950. The last aircraft was retired from government service in 1954.

On the night of 14 August 1945, a P-61B of the 548th Night Fighter Squadron named Lady in the Dark was unofficially credited with the last Allied air victory before VJ Day. The P-61 was also modified to create the F-15 Reporter photo-reconnaissance aircraft for the United States Army Air Forces and subsequently the United States Air Force.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra and Bolt embedded blanks with RAF F.4 Buzzard wood .

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The Martinsyde F.4 Buzzard was developed as a powerful and fast biplane fighter for the Royal Air Force (RAF), but the end of the First World War led to the abandonment of large-scale production. Fewer than 400 were eventually produced, with many exported. Of particular note was the Buzzard's high speed, being one of the fastest aircraft developed during World War I.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.

Sierra and Bolt embedded blanks with WWII RAF Gloster Gladiator Mk. II Camouflaged Linen Relic.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The RAF Gloster Gladiator Mk. II, a biplane fighter, was a symbol of Britain’s resilience during the early years of World War II. Entering service in 1937, it was the RAF’s last biplane fighter, powered by a Bristol Mercury VIII engine, delivering 840 horsepower. Despite its outdated design, the Gladiator excelled in agility, with a top speed of 257 mph and a distinctive fabric-covered frame. It saw action in the Battle of Norway, the Mediterranean, and the defense of Malta, where three Gladiators—nicknamed Faith, Hope, and Charity—famously held off Italian forces. Its rugged construction and twin Vickers machine guns made it a tenacious defender before being outclassed by modern monoplanes.

Our pen blanks incorporate a rare relic: a piece of camouflage linen from the aircraft’s skin, preserving the Gladiator’s wartime legacy. Each blank is crafted to honor this historic fighter, offering aviation enthusiasts, historians, and collectors a tangible connection to its storied past. Transform the spirit of the Gladiator into a unique writing instrument, celebrating its courage and endurance.

Relic Details: The camouflage linen, sourced from a Gloster Gladiator Mk. II, showcases the authentic fabric skin used in its construction, a testament to the craftsmanship of 1930s aviation technology.

These blanks are embedded with a small piece of the original material from the aircraft. The piece is approximately 1/8” square/round in size. The embedded components are positioned over a starburst silhouette of the aircraft’s outline.