5 1/8" overall. Chrome body with pocket clip. Press end of pen to open, press button on side to close. Used on all Apollo and Shuttle missions. Black ink. Uses Fisher pressurized refill. Gift boxed. 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.
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