This new Tactical Pen from Smith & Wesson has a new feature-a fire striker built right into the pen for wilderness survival situations.
Made of heavy duty T6061 aircraft aluminum. 6.1" Overall. Pen deploys by screwing the front part of the pen, screw off the top part of pen to reveal the fire striker inside. Rub slotted striker on end of the pen against the fire striker to create sparks to start a fire in kindling, leaves, etc.
To convert to keychain carry configuration, unscrew the fire striker from the body of the pen, and screw on the included keychain cap.