Fisher Space Pen SPR4 Black Ink Medium Point Refill, 6 Pack
6 per order: fisher space pen pressurized refills (PR series) fits the following space pen product categories: bullet, astronaut, shuttle, x-750, Space-Tec, military, zero gravity, Future, Cap-O-Matic adapters available to fit parker style pens. Blister carded for peg board display.