Inkfilled Cartridges

Pen Refill Cartridges

The most vital component of any Space Pen is our unique thixotropic ink, available in a variety of refill cartridges to give a whole new life to your favorite Fisher pen, whichever model it may be.

All pressurized refills are able to write in zero gravity, underwater, over wet and greasy paper, at any angle, and in extreme temperatures, -30°F (-34°C) to 250°F (121°C).  All pens are environmentally friendly as well as unconditionally guaranteed!