Six Month Shelf Life
Silver Ink Medium Point Space Pen Pressurized Cartridge.
This is our standard 3 ½ inch Pressurized Cartridge that fits most of our pens.
The Write Out for this Cartridge is approximately 15,000 feet depending on writing style - 3 ½ times longer than a typical
ball point Cartridge.
FISHER SPACE PEN SILVER MEDIUM