6 PACK Lot of Black Fisher Space Pen Universal Refills
You are bidding on a Lot of six (6) brand new sealed packs of authentic Fisher Space Pen Fine Point #SU4F BLACK refills. Paul Fisher developed the pressurized refill for NASA in 1965 and it is still in use today on manned space flights because it performs when other pens fail. The combination of tungsten carbide ball point and thixotropic ink in a hermetically sealed cartridge pressurized at nearly 35 pounds per square inch allows it to write in freezing cold, boiling heat, underwater and at any angle; even upside down! Please be certain you are buying the right refill for your Space Pen. If you have any questions regarding the correct refill for your pen please ask before you bid and we will be happy to help you. These refills do not fit the Fisher Bullet Pen.