The American made, Apolis co-branded, Fisher Bullet Space Pen is made of brass with a Chrome finish (SPEC: 3 7/8"). 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.
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