Fisher Space Pen Pressurized Refills (PR series) Fits the Following Space Pen product categories: Bullet, Astronaut, Shuttle, X-750, Space-Tec, Military, Zero Gravity, Futura, Cap-O-Matic Adapters Available to Fit Parker Style Pens. Blister Carded for Peg Board Display.Black Ink Fine Point
Writes at any angle, even in Zero Gravity. Simply the most versatile pen ever made.
Writes in extreme temperatures from -30F to 250F
All Brass and steel construction