Widely compatible with Fisher Space Pen SPR4 refill, compatible with Parker refill, and other similar refills. Search ASIN: B0936P1YBH for extra refills from SMOOTHERPRO. - An excellent backup or EDC ballpoint pen for work.
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Black, fine point. Fits most 2 and 3 color ball point pens.
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After inventing the first universal refill which could be used in most ballpoint pens Paul Fisher went on to create the first pressurized ballpoint pen refill. The Fisher Space pen refill was made of a special semisolid ink and then pressurized with nitrogen.
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Blue, fine point. Fits multi-action pens.
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They are the only refills that will write at any angle because they do not rely on gravity, and have a shelf life of 100 years. The SPR Series Refills fits all Fisher Pens except for the Triple action or Quad action pens; they take the "SU" Series.
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Fisher Space Pen is yet another great breakthrough from space research. Ordinary pens rely on gravity to write. Paul Fisher developed such a pen. Fisher Space Pens have been used on EVERY Space Shuttle mission, both USA and Russian.
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After inventing the first universal refill which could be used in most ballpoint pens Paul Fisher went on to create the first pressurized ballpoint pen refill. The Fisher Space pen refill was made of a special semisolid ink and then pressurized with nitrogen.
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A Sensa FEELWRITE Ball Point refill will be fitted with each pen. A slanted milled silver-plated pen top with a hand engraved Sensa logo completes each pen. The two initial SPACE models are titled MARS and SPACE ROCKETS.
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