Fisher Pressurized PR4, Blue Ink, Medium PointColor:
Brass Barrel / Blue InkPoint Size:
1.1mm BallRefill Length:
Refill Cartridge Blister Card
Fisher Space Pen’s Sealed Pressurized Ink Cartridge performs in temperatures from -30º F to +250º F, 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, and everyone who demands reliability in a writing instrument.
The PR Cartridge will typically write more than 12,000 feet depending on writing style and surface.
All PR cartridges come with a plastic adapter which allows them to be used in some Parker style pens! (Adapter dimensions - Length: 1’’ / Width: 0.23’’)