The pen is made in the body of a bullet. The Fisher Space Pen technology allows the user to write at any angle and direction, and even under water, due to the pressurized cartridges at 3.5 Kg/cm2. and the viscoelastic ink, which constantly feeds the carbide ball, they write without problems at temperatures from -35º to 120ºC, upside down or even on rough, extremely smooth or greasy surfaces.
This is a must-have pen for any situation.