H & H Mag Space Pen
beautiful Rifle Cartridge Pen as all the newest features in a ball
point. The ink cartridge is sealed and pressurized. It will
write at temps from -30ºF to 250º. It's efficient under water, at
any angle and even upside down. This is the unit used by NASA who
tested them for 18 months. Guaranteed and long life. Refills are
available from the factory or your local office supply store.
FSPI - $26.50