Fisher Space Pen Ink Refill (Pressurized Refill) – Dapper Design

The patented Fisher Space Pen refill is our recommended refill if you have a pen that can use "Parker Style" refills (such as our ION Bolt Action Pen). Nitrogen-pressurized and sealed, with a tungsten carbide ball and stainless steel point, the Fisher cartridge can write in zero gravity, underwater, upside down, over wet and greasy paper, at any angle, and from -30 °F to 250 °F!  NASA, armed forces, public safety, and outdoor enthusiasts depend on Fisher’s durability, versatility, and thixotropic ink, which writes three times longer than an ordinary ballpoint. PR refills come in a variety of point sizes and colors. Choose the one that best fits your lifestyle from the options below:  *Note: All fine point refills will come in nickel-silver instead of brass cartridges. Also please note that the product number PR4 and SPR4 are used for

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Fisher Space Pressurized Pen Ink Refill Cartridge

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