The Fisher Titanium Bullet Space Pen is a rare phenomenon. It will perform underwater, in zero gravity, at any angle - even upside down! The makes it a dependable first choice for ski patrols, search and rescue teams, astronauts, and more. The Bullet 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. The original Bullet Space Pen was conceived in July of 1948 and was the first Fisher ballpoint pen (and arguably the most popular pen of the twentieth century). This timeless pen is all brass with either a rainbow, black, or gold titanium nitride finish. And did you know? This pen has been exhibited for years in the New York Museum of Modern Art.