Fisher Space Pen PR Series Pressurized Ballpoint Pen Refill - Medium Point - Black

5.0 (2 reviews)
One medium point Black ballpoint ink refill for the Fisher Space Pen.

The sealed ink cartridge is pressurized at about 45 pounds per square inch and contains a visco-elastic, thixotropic, solid-gel ink. The result is a ballpoint pen that will write dependable smooth upside down, underwater, over grease, in extreme cold and hot temperatures and has an estimated shelf life of 100 years. Multiple ink color refills available.

Weight0.3 ounces
ManufacturerFisher Space Pen
Ink Characteristics Pressurized Ink
Tip Size Medium
Tip Type Conical

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Customer Reviews

I don't use any other...
April 8, 2015
Verified Purchase
I don't use any other pen that can't use a Fisher refill. No more pens that won't write at a crucial time. They are absolutely the only way to go, and they do fit many types of pen. All my everyday pens are now totally reliable. These are so worth the extra expense.
Necessary stock for space...
February 20, 2015
Verified Purchase
Necessary stock for space pen users