Fisher Space Pen Cap-O-Matic with brass cap and white barrel, model 775-W, in a gift box

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Fisher Space Pen Cap-O-Matic 775-W – a pen for all conditions

The Fisher Space Pen Cap-O-Matic is a practical and reliable writing instrument designed for people who demand maximum functionality. The 775-W model features an elegant brass cap and a white plastic barrel.

Its one-handed operation makes it a convenient choice for office settings, construction, healthcare, law enforcement, the military, and anyone working in a fast-paced environment.

Space-proven technology

Every Fisher Space Pen performs reliably in extreme temperatures ranging from -34°C to +120°C, underwater, in zero gravity, and at any angle. The ink is thixotropic—it is solid at rest and liquefies only when writing.

The refill contains a pressurized nitrogen cartridge that pushes the hermetically sealed ink. The pen writes up to three times longer than standard models and never leaks or runs out of ink.

Design and Materials

Housing: white plastic housing with a brass cap
Cartridge tip: tungsten carbide ball
Construction: brass and steel
Clip for attaching to a pocket or backpack
Compact size—easy to carry in a wallet or organizer

Features of the Fisher Space Pen Cap-O-Matic 775-W

Specifications	Value
Brand	Fisher Space Pen
Model	Cap-O-Matic 775-W
Length	13.7 cm
Housing	White plastic casing, brass cap
Material	Brass, steel, plastic
Magazine Nozzle	Tungsten carbide
Mounting Bracket	Clip
Magazine	Fisher SPR4 (black, medium thickness)
Compatible refills	SPR Cartridge Series
Operating temperature	-34°C to +120°C
Warranty	Lifetime Warranty Against Manufacturing Defects
Contents of the Set	Pen and Gift Box

A Gift with History and Value

Fisher Space Pen is the brand whose pens NASA selected for the Apollo program missions after rigorous testing. 🚀 Since 1967, American astronauts and Russian cosmonauts have relied on them in orbit.

Paul S. Fisher developed the technology entirely with private investment—about 1 million U.S. dollars—without funding from NASA. The result is a patented pen that works where others fail.

The perfect gift for men and women

The Cap-O-Matic 775-W pen comes in a gift box and is a great choice for teachers, doctors, lawyers, military personnel, police officers, business leaders, and high school seniors. 🎁

You can also keep it in your car or everyday bag—it won't leak in the summer or freeze in the winter. Each pen is precision-assembled, hand-tested, and comes with a lifetime warranty.

Frequently Asked Questions

How does the Fisher Space Pen Cap-O-Matic work?

The Fisher Space Pen Cap-O-Matic uses a gas-pressurized nitrogen cartridge. A small metal cylinder pushes the special thixotropic ink, which is hermetically sealed. In its normal state, the ink is solid and liquefies only upon contact with the paper while writing. It is this technology that allows the pen to write at any angle, underwater, and in zero gravity. It can be activated with one hand, making it exceptionally convenient for use in dynamic environments.

At what temperatures does the Fisher Space Pen Cap-O-Matic 775-W work?

The pen works reliably at temperatures ranging from -34°C to +120°C. This makes it suitable for use in both cold winter conditions and extreme heat. Unlike standard pens, it does not freeze in the winter or leak in the summer. These features make it the preferred tool for people working outdoors, in vehicles, or in specialized environments.

What is the difference between the 775-W model and the other Cap-O-Matic models?

The 775-W model features a white plastic body and an elegant brass cap. The technology and internal construction are identical across all models in the Cap-O-Matic series—the same Fisher SPR4 cartridge, the same reliability, and a lifetime warranty. The main difference lies in the color and material of the body. The series offers a variety of color options to suit different tastes and needs.

Which refill is compatible with the Fisher Space Pen Cap-O-Matic?

The 775-W model comes with a black Fisher SPR4 refill and a medium line width. All refills from the Fisher Space Pen SPR Cartridge series are compatible. The refills are easy to replace and are available in a variety of colors and line widths. The refill tip is made of tungsten carbide, ensuring durability and a smooth writing experience.

Is the Fisher Space Pen Cap-O-Matic 775-W a good gift?

Yes, the pen comes in a gift box, making it ready to give as a gift without any additional wrapping. It’s a great choice for men and women in various professions—teachers, doctors, lawyers, military personnel, police officers, business leaders, and high school seniors. The combination of practicality, durability, and the product’s interesting backstory makes it a great conversation starter. At Dulotec.COM, you’ll find this model at a great price with fast shipping.

What kind of warranty is offered for the Fisher Space Pen?

Every Fisher Space Pen is precision-assembled and hand-tested. The manufacturer offers a lifetime warranty against all manufacturing defects. This is a testament to the company’s confidence in the quality of its products. The warranty is valid for the entire lifetime of the product under normal use.

How is the Fisher Space Pen connected to NASA's space missions?

Paul S. Fisher developed the Fisher Space Pen technology entirely with private funds—about 1 million U.S. dollars—without any funding from NASA. In 1967, after rigorous testing, NASA equipped the Apollo program astronauts with these pens. Approximately 400 pens were purchased at a price of $6 each. In February 1969, the Soviet Union also purchased 100 Fisher pens and 1,000 refills for the Soyuz missions. To this day, American astronauts and Russian cosmonauts continue to use this technology in orbit.