This fine handcrafted Matthew Martin 400 Series Tactical Click Pen features titanium construction with a zirconium tip piece. This well-balanced pen activates with a titanium click cap.
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Comes with a Fisher Space Pen ink cartridge, but also accepts Parker refills.
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To replace the ink cartridge, unscrew the tip counter-clockwise.
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DO NOT remove the click mechanism.
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Proudly made in the USA