Founded by Paul C. Fisher in 1953, Fisher Space Pen are the makers of the original Astronaut Pen, among many other high quality writing instruments. Today, the company continues to produce the most reliable and versatile writing instruments on earth and beyond. Original Bullet Space Pen with a titanium nitride finish and clip. When closed, the Bullet Space Pen is the perfect size to carry in your wallet, pocket, purse, car glove box, organizer or toolbox. When open it's a full sized, evenly balanced writing instrument. Cap slides on and off. Fisher PR-4 Black Ink Medium Point cartridge. Available now in gold or black.