Carpenter Space Pen by Fisher

Fisher Space Pens
Cartridge is sealed and pressurized at nealy 35 pounds per square inch
Tungsten carbide ball
Writes from -30 to +250 degrees F
Writes:- On wet surfaces, On photographs, Through grease, Underwater, At any angle, Upside down Contractor Space Pen: Includes Scale (CM and In.) Magnetic strip Drywall gauge Level Plumb Cross Level. Feature guide inside. Contains Black Ink Medium Point. Pressurized Fisher Space Pen refill writes in extreme conditions. More »