This Fisher Space Pen Refills SPR2 Pressurized Cartridge in Red Ink is a high-quality ballpoint pen that is perfect for a variety of uses. It is made in the USA and has a brass material construction. The pen is designed to fit the Fisher Bullet, Shuttle and most other Fisher Space Pens. This pressurized refill is suitable for use upside down, under water and through grease. It comes with a guarantee that if you return the pen directly to Fisher, it will be repaired or replaced. This item is not vintage and has not been modified. It is a great addition to any collection of Fisher Space Pens or ballpoint pens in general.
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