Fisher Space Pen gel conversion : r/pens

Sealed pressurized cartridge that fits almost all Fisher Space pens. If performs in temperatures from 0 to +120 °C, underwater, in zero gravity, at any angle–even upside down! The write out for this cartridge is approximately 3500 meters depending on writing style - over three times longer than a typical ball point cartridge. Comes with a plastic adapter which allows the refill to be used in Parker style pens as well.

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Bought my first pen (Parker Jotter), need refill recommendations! : r/pens

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