Fisher Space Pen Refill, SPR1, Blue Medium

Fisher Space Pen SPR1 Refill, Blue Medium For Fisher Space Pens, Everyman Pens and all Parker-Style Pens (with included adapter) Fisher Space Pen refill in blue medium, 1.1 mm tungsten carbide ball. Fisher Space Pen's sealed pressurized cartridge performs in temperatures from -30F to +250F, underwater, in zero gravity, at any angle - even upside down! Fisher refills are the choice of ski patrols, search and rescue teams, law enforcement agencies, armed forces and everyone who demands reliability in a writing instrument. Each refill includes a plastic adapter so the refill can be used in any Parker-style pen. Blister packed. Fisher part number SPR1. Made in USA.