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

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Fisher Space Pen Cap-O-Matic 775G-W Ballpoint Pen — reliability tested in space

The Fisher Space Pen Cap-O-Matic is a pen designed for people who won't compromise on reliability. Its one-handed operation makes it the ideal writing tool for the office, construction sites, law enforcement, the military, the medical field, and anywhere outdoors.

The 775G-W model features an elegant brass cap and a white plastic body. Its compact size makes it easy to slip into a wallet or organizer.

Technology used by astronauts

Every Fisher Space Pen is precision-assembled and hand-tested. The pen performs reliably in extreme temperatures ranging from -34°C to +120°C, underwater, in zero gravity, and at any angle.

The cartridge contains a pressurized nitrogen gas cartridge
The tip is a tungsten carbide ball
The ink is thixotropic—it is solid at rest but liquefies when written with
It doesn't break or leak
It lasts up to three times longer than regular ink
The structure is made of brass and steel
Clip for attaching to a pocket or backpack

A gift for a man and a woman with different professions

The Fisher Space Pen Cap-O-Matic is a practical and durable gift with a rich history and advanced technology behind it. It is ideal for teachers, doctors, lawyers, military personnel, police officers, business leaders, high school seniors, and craftsmen.

It doesn't run in the summer or freeze in the winter—you can count on it in any conditions. 🖊 It's also perfect as a go-to pen in your car or everyday bag.

History of the Fisher Space Pen

During NASA’s early missions, astronauts used pencils. Paul S. Fisher designed a pen that works in zero gravity, underwater, and at extreme temperatures—without funding from NASA, using an investment of about $1 million from the company’s own funds.

In 1967, NASA equipped the astronauts on the Apollo mission with these pens. In February 1969, the Soviet Union purchased 100 pens and 1,000 refills for the Soyuz spaceflights. To this day, both American astronauts and Russian cosmonauts continue to use them.

Specifications	Value
Brand	Fisher Space Pen
Model	Cap-O-Matic 775G-W
Length	13.7 cm
Cap	Brass
Housing	Plastic, white
Material and Construction	Brass and Steel
Magazine Muzzle	Tungsten carbide ball
Magazine	Fisher SPR4, black, medium thickness
Compatible refills	SPR Cartridge Series
Operating temperature	-34°C to +120°C
Mounting Bracket	Clip
Warranty	Lifetime Warranty Against Manufacturing Defects
Contents of the Set	Pen and Gift Box

Frequently Asked Questions

What makes the Fisher Space Pen Cap-O-Matic different from ordinary pens?

The Fisher Space Pen Cap-O-Matic uses a cartridge filled with thixotropic ink pressurized by a nitrogen gas cartridge. This allows the pen to write at any angle, including upside down, underwater, and in zero gravity. Ordinary pens rely on gravity to feed the ink, which makes them unreliable in extreme conditions. The Cap-O-Matic operates at temperatures ranging from -34°C to +120°C, while standard pens freeze or leak under such conditions. The tip is made of tungsten carbide—a material significantly more durable than standard tips.

How do you activate the pen with one hand?

The Cap-O-Matic model is designed with a mechanism that allows for one-handed activation. This is particularly useful in situations where the other hand is occupied—for example, on a construction site, during medical procedures, or when used by military and law enforcement personnel. It is precisely this feature that makes the model the preferred choice in professional settings that require quick response and reliability.

What type of refill does the Fisher Space Pen Cap-O-Matic 775G-W use?

The pen comes with a black Fisher SPR4 refill and a medium line width. The refill contains a pressurized nitrogen gas cartridge, with a small metal cylinder pushing the hermetically sealed thixotropic ink. Replacement refills from the Cartridge SPR series are compatible. The ink lasts up to three times longer than the ink in standard ballpoint pens.

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

Yes, the Fisher Space Pen Cap-O-Matic is an excellent gift for men and women in various professions. The pen comes in a gift box, making it ready to give without any additional wrapping. It’s suitable for teachers, doctors, lawyers, military personnel, police officers, business leaders, and high school seniors. The product’s history—it was developed for use in space—makes it an interesting conversation starter and adds value to the gift. At Dulotec.COM, you can find this model in a gift box at a great price.

What is the warranty on the Fisher Space Pen Cap-O-Matic?

Every Fisher Space Pen is hand-tested and comes with a lifetime warranty against all manufacturing defects. This means that if a defect occurs due to a manufacturing issue, the pen will be replaced or repaired. The lifetime warranty is a testament to the manufacturer’s confidence in the quality of its product.

How is the Fisher Space Pen connected to NASA and spaceflight?

Paul S. Fisher developed the pressurized ink pen without funding from NASA, investing approximately 1 million U.S. dollars from the company’s own funds. In 1967, NASA equipped the Apollo mission astronauts with these pens after rigorous testing. Approximately 400 pens were purchased at a price of $6 each. In February 1969, the Soviet Union also purchased 100 pens and 1,000 refills for the Soyuz spaceflights. To this day, both American astronauts and Russian cosmonauts continue to use the Fisher Space Pen.

Is this pen suitable for everyday use in the car or in a purse?

Yes, the Fisher Space Pen Cap-O-Matic is perfect for everyday use in the car or in your bag. It doesn’t leak in summer temperatures or freeze in winter, making it reliable in all seasonal conditions. Its compact size of 13.7 cm and the clip make it easy to slip into a pocket, wallet, or organizer. The pen doesn’t leak or skip, so you can count on it whenever you suddenly need to jot something down.

Original price was: 18,98 €.Current price is: 17,08 €.

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SKU: d-21-75-3514 Categories: Gifts for men, Luxury Pens

Description

Specifications	Value
Brand	Fisher Space Pen
Model	Cap-O-Matic 775G-W
Length	13.7 cm
Cap	Brass
Housing	Plastic, white
Material and Construction	Brass and Steel
Magazine Muzzle	Tungsten carbide ball
Magazine	Fisher SPR4, black, medium thickness
Compatible refills	SPR Cartridge Series
Operating temperature	-34°C to +120°C
Mounting Bracket	Clip
Warranty	Lifetime Warranty Against Manufacturing Defects
Contents of the Set	Pen and Gift Box

Additional information

Weight	0,1 kg

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About brand

The Space Pen—also known as the Zero Gravity Pen—is a pen that, thanks to its patented sealed pressurized ink cartridge, will write under almost any conditions (underwater and at extreme temperatures) and on almost any surface (greasy or wet paper and at any angle). These pens were first used in 1968 on the Apollo 7 mission. Since then, the Fisher Space Pen has been part of every NASA manned spaceflight. The products have also been used by the Russian and Chinese space programs! The Space Pen—a product that works under virtually any conditions. Whether upside down or floating in zero gravity, it doesn’t matter—these pens will get the job done. Write anytime, anywhere!