The Nite Ize Inka Pressurized Refill Cartridge is a pressurized, waterproof blue ink refill cartridge is compatible with Inka pens and gives them their unique ability to write upside down and in extreme conditions and altitudes.
- Compatible with all Inka pens
- Waterproof blue Ink
- Pressurized cartridge writes upside down and in extreme conditions
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov