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Fisher Space Pen Pressurized Ballpoint Ink Refill, Medium Point, #SPR4

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  • Refill Cartridge for the Thin Blue Line Pen
  • Medium Point
  • Writes upside down & underwater.
  • Operates from -30 degrees F to 250 degrees F

Color: Brass Barrel / Black Ink
Cartridge: Fisher Pressurized SPR4, Black Ink, Medium Point

Point Size: 1.1mm Ball
Refill Length: 3.51’’
Packaging: Refill Cartridge Blister Card


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