Fisher Space Pen M4 Military Cap-O-Matic Series Military Model. 5 1/8"
closed. This unique design engages the point with entire pen top. The
standard top button has been removed to create a sleek, easy-to-use
writing instrument. Subdued matte black aluminum construction with black
clip and tip. Loaded with medium point black ink cartridge. Uses Fisher
pressurized refill FP1211 (blue ink) or FP1241 (black ink). Writes
reliably under extreme conditions: over fingerprints, over grease,
extreme cold (-50°C), extreme heat (+200°C), over wet paper, in a vacuum,
and at any angle, even upside down.
Country of Origin: USA