Fisher M4 Retractable Ballpoint Space Pen 1.0 mm Brass Barrel Black Ink - Office Depot

This solid brass construction smooth writing retractable pen features Fishers amazing pressurized refill which writes upside down in extreme temperatures over grease and dirt and on wet paper.
This solid-brass construction, smooth-writing retractable pen features Fisher's amazing pressurized refill, which writes upside down, in extreme temperatures, over grease and dirt, and on wet paper.

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