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Fisher Space Pen Pen Refill

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Fisher Space Pen Pen Refill


$5.99 Item #: 31656


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About Fisher Space Pen Pen Refill


Ballpoint pen refill fits Fisher Cap-o-matic Space Pen to write in almost any environment. The combination of a tungsten carbide ball point with thixotropic ink in a hermetically sealed cartridge pressurized at nearly 35 pounds per square inch allows it to write in freezing cold, boiling heat, underwater and at any angle.
  • PR4 Medium Point refill for S251 Cap-o-matic ballpoint space pen
  • Pressurized cartridge allows pen to write underwater and upside down
  • Black Ink
  • Functions in water and at temperatures from -30°F (-35°C) to 250°F (121°C)