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Fisher Bullet Ballpoint Pen Brass 
Store Name Executiveessentials.com
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The Fisher Space Pen was selected by NASA (after rigorous testing) for use on all manned space flights because it is the only type of pen that will write satisfactorily in the gravity-free void, freezing cold (-50F) and extreme heat (+250F) of Space. Nitrogen-powered, the ink in the replaceable Space Pen cartri dge is positively fed to the tungsten carbide ball by gas at three to six times atmospheric pressure. Pressurization required the development... Readmore
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