Telescoping

The Telescopic Space Pen features solid aluminum construction and a unique retraction mechanism. Pulling on the end of the pen exposes the ballpoint tip and creates a full length writing instrument. It has no cap, you simply pull the tip to extend the refill and push it in to withdraw the refill. Upside down, its side, through water, or in extreme temperatures, the Fisher Space Pen contains a sealed pressurized refill (SPR) that will perform.Always ready to write, even with one hand. Equally easy to use one hand to retract and put in your pocket.