Fisher SPR1 Ballpoint Refill Medium Blue

Fisher SPR1 Ballpoint Refill Medium Blue

  • $11.50
    Unit price per 
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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
  • Medium 0.7mm 
  • Blue
  • SPR1

 


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