Fisher Spacepen Bullet

Paul Fisher designed the beautiful AG-7 pen to perform in zero-gravity vacuum and temperature extremes. After rigorous testing, NASA selected the Fisher Space Pen for use on all of the Apollo missions. They are still used today by both NASA and the Russian Space Program.
Works:
- in zero-gravity
- in + 200 C grades
- in - 45 C grades
- upside down
- under water