FISHER SPACE PEN® BLACK INK CARTRIDGE (#PR4)
PR4

FISHER SPACE PEN® BLACK INK CARTRIDGE (#PR4)

The Fisher® Space Pen ball point cartridge, a pressurized design developed for NASA. It has a tungsten carbide ball point and thixotropic ink which will write in freezing cold, boiling heat, underwater and at any angle—even upside down.
  • Fisher Space Pen® Black Ink Cartridge (#PR4)
  • Refills Tao Pens, Williams Tactical Pens, and Bolt Action Pens
  • Developed for NASA
$5.99
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