Fisher Space Pen Replacement Ball Point Refill (Black Medium) PR4

MSRP: $5.95
Our Price: $4.95
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Item #BHQ-6607

Specifications

  • Brand:Fisher Space Pen
  • Country of Origin:USA
  • Product Type:Pen Accessory
Description

Description

Paul C. Fisher developed the pressurized refill for NASA in 1965. It's still in use today on manned space flights because it performs when other pens fail. The combination of tungsten carbide ball point and 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 -- even upside down!

This listing is for a medium ball point refill with black ink. It includes a Parker style adapter (not pictured).

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