Spyderco BaliYo Replacement Ink Cartridge (Heavy Duty/ Blue)

The Spyderco BaliYo Replacement Ink Cartridge is compatible with BaliYobutterfly knife style pens. Thanks to the thought through design, you are able to easily install the new ink cartridge and continue practicingyour pen flipping skills in between taking notes. And the pen will continuewriting underwater, in freezing cold, boiling heat, at any angle, even upside down – because serious fun is best combined with serious work.

Top Quality

Spyderco isproud to work with the Fisher Space Pen Company,since their internal ink cartridge carries Fisher’s reputation for writing superiority and reliability. The pressurized cartridge provides flowing, smooth ink in any writing position, in any environment: ocean to orbit. Fisher Pen Company makes some of the most reliable pens known to man, which is why all US Made BaliYo’s come with one.