My wife just told me to stop showing her my new pen...













PROOF Vanguard Pen

Take your Vanguard Pen to the next level with a custom text laser engraving. Simply enter the customizer above, type your text, select size, and choose one of twelve premium fonts.
Precision. Purpose. Permanence.
Crafted from solid billet 6061 aircraft-grade aluminum, the Vanguard Pen is engineered for those who move with intention — and demand the tools they carry do the same.
Its bolt-action mechanism is smooth, deliberate, and satisfying — a tactile nod to control in a world built on distraction.
Every detail was designed to serve a purpose:
• Stainless steel internals for uncompromising durability
• Brass clip with machine-finished contrast — a subtle standout against the satin-anodized body
• Writes anywhere with a black Fisher Space Pen #SPR4 cartridge — rain, grease, cold, or chaos
• Balanced for action and built robust enough to double as a self-defense tool



van·guard
/ˈvanˌɡärd/ noun: a group of people leading the way in new developments or ideas.
The Vanguard wasn’t born in a boardroom. It began as a decade-old concept, revived by our lead designer as a hands-on build challenge — a personal test in machining, tolerancing, and technical mastery. What started as a training exercise became an obsession. The final result? A pen that had to exist.
It’s not mass-produced. It’s not for everyone. But if it speaks to you, you already know.
Pen Specifications:
If you appreciate craftsmanship, permanence, and the kind of everyday object that turns heads when pulled from your pocket — this pen is for you.
It may look different — because it is. Crafted in a bold ‘carpenter’s pencil’ shape, the PROOF Vanguard Pen dares to rewrites the rules.
- Body: 6061 Aircraft Aluminum
- Clip; 260 Brass
- Bolt Action Piston: 303 Stainless Steel
- 0.35" x 0.55" x 5.1"
- 1.4 ounces
Fisher Space Pen #SPR4 cartridge/ Rite in the Rain All-Weather Cartridge (made by Fisher)
Ink Cartridge F.A.Q.
What was the ink cartridge that Neil and Buzz took to space?
The Astronauts on Apollo 11, and on every crewed space mission, used the AG7 Original Astronaut Pen - equipped with the same Fisher PR4, Black Ink, Medium Point cartridge as your PROOF Vanguard Pen.
Writes upside down. Writes underwater. Operates from -30 degrees F to 250 degrees F.
Sure can! Here are some Amazon links below!
Amazon Link: Fisher Space Pen #SPR4
- Fine - .9mm
- Medium – 1.1mm
- Bold – 1.3mm
They’re the same refill. The “S" refers to the blister card packaging.
Approximately 100 years
Fisher Pressurized Refills will write for over 12,000 ft. or approximately 2.5 miles.
Yes. REI, Office Max, and many other outdoor and tactical shops, space centers, museums and pen specialists carry our (S)PR4 refill.

REQUIRED: 1/16" ALLEN WRENCH
Replacing your ink:
- Unscrew CLIP BOLT ONLY using 1/16" Allen
- Pull off brass clip (place thumb on top of pen to avoid launching components)
- Remove piston rod, old ink & spring
- Insert new ink, spring & piston
- Reassemble

CLIP: 260 BRASS
The clip on this pen is machined from 260 brass and hand finished with a lightly brushed final texture to beautifully contrast the gunmetal pen body.

ADD CUSTOM TEXT
Customize your PROOF Vanguard Pen with a precision laser engraving on the back of your Vanguard Pen. With 12 premium fonts to choose from, adding your unique engraving is the best way to upgrade this masterpiece.
Body: 6061 Aircraft Aluminum
The pen body is machined from 6061 Aircraft Aluminum and finished with a slightly textured sand blast giving the pen a perfect professional and ultra high quality finish.
INK: FISHER SPACE PEN
The Astronauts on Apollo 11, and on every crewed space mission, used the AG7 Original Astronaut Pen - equipped with the same Fisher PR4, Black Ink, Medium Point cartridge as your PROOF Vanguard Pen.
Write upside down. Write underwater. Operates from -30 degrees F to 250 degrees F.
