Blue Ink Space Pen Pressurized Cartridge.

This is the standard 3 1/2 inch Pressurized Cartridge that fits most Fisherpens.

The Write Out for this Cartridge is approximately 15,000 feet depending on writing style – 3 times longer than a typical ball point Cartridge.

• Includes adapter for Parker-style ballpoint pens.
• POINT SIZES:
• Fine contains a .9mm Ball
• Medium contains a 1.1mm Ball
• Bold contains a 1.3mm Ball