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Fisher Pen Black Cartridge Medium Point Refill

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0.10 LBS
Frequently bought together:


Most ALL Fisher Space Pens use our PR Cartridge. SPR and PR Cartridge are the same Cartridge, the only difference is the packaging. The S means that the Cartridge comes in a Blister Card, the cardboard backed, clear plastic holder like most things are in when you purchase them in a retail store. The following image is enlarged to show detail. The PR Cartridge is the fat one in the middle. The SU Cartridge is the skinny one on the top and bottom. When it arrives it will be long like the top image shows. It is made this way to fit several different pen barrels. If you need it to be shorter, just flex it back and forth at the break point and it will separate, leaving you the correct length refill. The PR and SU Cartridge are NOT INTERCHANGEABLE!

Please note: the SU Cartridges contain a much smaller amount of ink, they write about 1200 feet depending on your writing style, as compared to our regular PR Cartridge which should write more than 12,000 feet depending on style and surface.

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
We reserve the right to fix any critical errors.

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2 Reviews

  • 4
    Refill fits perfectly in my

    Refill fits perfectly in my tactical pen. The only complaint I have is that it does not seem to write smoothly.

  • 5
    Great, reliable performance. I use

    Great, reliable performance. I use them daily at work no matter what the weather.

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