Fisher Trekker Space Pen.

Pioneering in technology, the Trekker pen can hang upside down forever yet function immediately when needed.
Writes through water, oil, dirt, and on shiny surfaces
Withstands temperatures of -30 deg F (-34 deg C) to 250 deg F (121 deg C)
Medium point black ink
Patented sealed-pressurized ink cartridge Pioneering in technology the Trekker pen can hang upside down forever yet function immediately when needed. Always have a reliable pen available for immediate use. Attach your keys to the Trekker Pen. The Trekker space pen with a key chain attached to the posi-lock cap allows for easy accessibility. The Trekker space pen comes with a carabiner and a break-away lanyard, making it eas More »