Fisher Space Pen Refill Ballpoint Fine Nib Blue Scrub as well as PC and

as well as PC and compatible mobile devices

Cross Cut Size: 2x15mm

OEM: 86350

OEM: C13T293492

BROTHER PT1880

Fisher Space Pen Refill Ballpoint Fine Nib Blue Scrub as well as PC andDescriptionSpecificationsShipping Paul C. Fisher developed the pressurized refill for NASA in 1965. It's 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, under water and at any angle even upside down! Pressurized Space