Fisher Space Pen’s Sealed Pressurized Ink Cartridge performs in temperatures from -30ºF to +250ºF, underwater, in zero gravity, at any angle–even upside down! The ultimate in dependability! The choice of ski patrols, search and rescue teams, law enforcement agencies, armed forces, andeveryone who demands reliability in a writing instrument.
Fisher ballpoint refill in a fine, medium
Pressurised refill designed to work in extreme cold, heat, underwater, upside down;