Fisher Space Pen Space-Tec black rubberised ST ballpoint pen in a gift box

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Fisher Space Pen Space-Tec ST – a ballpoint pen with a pressurised cartridge

The Fisher Space Pen Space-Tec ST is a black ballpoint pen with a rubberised grip for better grip. Its special pressurised cartridge ensures reliable performance in all conditions and on any surface.

Technology tested in space

The pen writes at extreme temperatures ranging from -34°C to +120°C, underwater, in zero gravity and at any angle. The ink is thixotropic – it is solid in its normal state and only liquefies when writing.

It doesn’t skip or bleed
It writes up to three times longer than ordinary ink
The refill contains a pressurised nitrogen gas cartridge
A small metal cylinder presses against the hermetically sealed ink

Quality and warranty

Every Fisher Space Pen is precision-assembled and hand-tested. It comes with a lifetime guarantee against manufacturing defects.

Specifications of the Fisher Space Pen Space-Tec ST

Length: 12 cm
Barrel: black rubber with the Fisher logo
Style: retractable
Attachment: clip
Cartridge: PR4 pressurised, medium line width
Compatibility: fits all PR series (pressurised)
Compatible refills: SPR Cartridge series
Packaging: gift box

Materials and construction

The barrel is made of brass and steel with a black rubber coating. The refill tip is a tungsten carbide ball. Its compact size makes it easy to slip into a wallet or organiser, whilst the clip allows it to be attached to a pocket or rucksack.

A brief history of the Fisher Space Pen

During the early NASA missions, astronauts used pencils. Paul S. Fisher of Fisher Pen Co. developed a pressurised ballpoint pen entirely with private funds – around $1 million. Following rigorous testing, in 1967 NASA equipped the astronauts on the Apollo mission with these pens. In February 1969, the Soviet Union also purchased 100 Fisher pens and 1,000 refills for the Soyuz flights. To this day, American astronauts and Russian cosmonauts continue to use them.

Specifications	Value
Brand	Fisher Space Pen
Model	Space-Tec ST
Colour	Black
Length	12 cm
Body material	Brass, steel, black rubber
Magazine tip	Tungsten carbide tip
Style	Retractable
Mounting bracket	Clip
Cartridge	PR4 press-fit, medium thickness
Compatible cartridges	Cardridge SPR series
Warranty	Lifetime warranty against manufacturing defects
Contents of the set	Pen and gift box

Frequently Asked Questions

What makes the Fisher Space Pen Space-Tec ST different from an ordinary pen?

The Fisher Space Pen Space-Tec ST uses a special pressurised ink cartridge. This allows it to write in zero gravity, underwater, at extreme temperatures ranging from -34°C to +120°C, and at any angle. The ink is thixotropic – it is solid in its normal state but liquefies only when writing. This means the pen does not skip or leak. It writes up to three times longer than ordinary ink.

What is the history of the Fisher Space Pen?

During the early NASA missions, astronauts used pencils. Paul S. Fisher of Fisher Pen Co. developed a pressurised ballpoint pen without funding from NASA, investing around $1 million of the company’s own funds. Following rigorous testing, in 1967 NASA equipped the astronauts on the Apollo mission with these pens. In February 1969, the Soviet Union also purchased 100 Fisher pens and 1,000 refills for the Soyuz spaceflights. Today, both American astronauts and Russian cosmonauts continue to use them.

What warranty is offered for the Fisher Space Pen?

Every Fisher Space Pen is precision-assembled and hand-tested. It comes with a lifetime guarantee against all manufacturing defects. This makes it not only a reliable writing instrument, but also a long-term investment.

What materials is the Fisher Space Pen Space-Tec ST made from?

The pen’s construction and finish are made of brass and steel. The barrel is coated with black rubber for a better grip. The tip of the refill is made from a tungsten carbide ball – an exceptionally hard and durable material.

What type of refill does the Fisher Space Pen Space-Tec ST use, and can it be replaced?

The pen comes with a PR4 pressurised refill with a medium line width. The cartridge can be replaced – it is compatible with all PR series cartridges (pressurised), and the corresponding replacement cartridges are from the SPR Cartridge series.

Is the Fisher Space Pen Space-Tec ST suitable as a gift?

Yes, the pen comes in a gift box, making it an excellent choice for a gift. The ‘gifts for men’ category on Dulotec.COM features precisely such products – practical, with a history and high value. The pen is compact, measuring 12 cm in length, and fits easily into a wallet or organiser.

How is the Fisher Space Pen Space-Tec ST secured?

The pen features a clip that allows it to be attached to the edge of a pocket or rucksack. It has a retractable design, which makes it even easier to use and store. Its compact size of 12 cm makes it convenient to carry anywhere.