Fisher Space Pens are not just designed for outer space; they are engineered to perform in a variety of challenging conditions and on almost any surface. Thanks to their patented sealed and pressurized ink cartridge, these pens can write underwater, on greasy surfaces, and even in extreme temperatures ranging from -30 to +250 degrees Fahrenheit (-35 to +121 degrees Celsius). Whether you need to write upside down or in a gravity-free environment, our pens will deliver reliable performance. In fact, our sealed
