Fisher Space Pen Military M4 is a Must Have!
If you want a pen that will not fail you when you need it most and won't give your position away the Military M4 is for you.
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 military matte black aluminum construction with black clip and tip.
Loaded with medium point black ink cartridge.
Uses Fisher pressurized refill
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.