The American made, Apolis co-branded Fisher Bullet Space Pen is made of brass with a chrome finish. Fisher patented this anti-gravity, refillable ballpoint pen in 1966, and it was used on the 1968 Apollo 7 shuttle. Their technology uses nitrogen to pressurize the ink cartridges, allowing the pen to write in zero gravity, upside down, underwater, and in extreme temperatures. Sliding cap design.
Measures 3.75" in length closed, 5.25" open