Space Pen pressurized cartridge.  This is Fisher's standard 3 1/2 inch pressurized cartridge that fits most of their pens. The write out for this cartridge is approximately 15,000 feet depending on writing style - 3 ½ times longer than a typical ball point cartridge. Fine, Medium, and Broad point available on Black and Blue cartridges. Medium point only on color cartridges.

Fisher Space Pen Pressurized Ballpoint Refill

Point Size

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