Nite Ize Inka Keychain Pen

The INKA® Key Chain Pen is housed in a durable, lightweight, and watertight aluminum body and is designed to work as an easy access quick-use pen that converts into a full-size pen. This unique Write Anywhere® pen uses a pressurized ink cartridge, allowing it to write in extreme environments.

• Blue Ink 
• Waterproof 
• Writes upside down, extreme temperatures, & any altitude