Cartridge: Fisher Pressurized PR4, Blue Ink, Medium Point
Color: Brass Barrel / Blue Ink
Point Size: 1.1mm Ball
Refill Length: 3.51’’
Packaging: 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 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’’)