Fisher Space Pen - The Original Astronaut Pen - AG7 Series - Chrome

All brass & steel construction, hard chrome plating, pocket clip & tungsten carbide ballpoint tip Used on NASA Apollo/Shuttle missions, International Space Station, Everest North Face Ski Expedition Pressurized thixotropic ink cartridges are hermetically sealed & write 3x longer than ballpoint pens Reliably performs in extreme temperatures (-30F to +250F), underwater, in zero gravity, at any angle Precision assembled & hand-tested with a lifetime guarantee against all manufacturing defects