Fisher SPR1F Ballpoint Refill Fine Blue

Fisher SPR1F Ballpoint Refill Fine Blue

  • $10.98
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The Space Pen pressurized refill features a tungsten carbide ball encased in a steel ball socket that prevents leaking and is designed to almost perfection. Pressurized at nearly 35 pounds per square inch so that ink is continuously fed and contains a visco-elastic, thixotropic solid-gel ink. With approximately 12000 feet of ink based on write-out machine testing, lasts 3 times longer than typical ballpoint refills.

  • Comes with plastic adapter which fits any Parker style ballpoint pen
  • Fine 0.5mm
  • Blue
  • SPR1F

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