The Fisher Space Pen Shuttle Pen uses a sealed pressurized ink cartridge. This pen will work in the freezing cold the boiling heat the gravity-free vacuum of Space. It is used on all manned Space Flights- American and Russian. Retractable with side button release. Black Ink Medium Point Refillable
- Writes at any angle, even in Zero Gravity. Simply the most versatile pen ever made.
- Writes in extreme temperatures from -30F to 250F
- Each Fisher Space Pen is precision assembled, hand tested, and carries a lifetime guarantee against all manufacturing defects
- All Brass and steel construction.