Astronaut Original Space Pen & Engraving

With it's sealed, pressurized ink cartridge, the Space 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. Style: Retractable with Side Button Release Open Length: 5.0" Closed Length: 3.75" Black Ink Medium Point Refillable Ink