The Gear Box Offers Fisher Space Pens for Military, Police and Fire Personnel. http://www.gearboxsales.com/content-categories/cat-411/pens.html Wed, 19 Jun 2013 07:39:54 -0500 en The Fisher Space PolicePro Pen is a must have while out in the field. This pen features: Cartridge is sealed & pressurized at nealy 35 pounds per square inch Tungsten carbide ball Writes from -30 to +250 degrees F On wet surfaces On photographs Write through grease Underwater At any angle Upside down http://www.gearboxsales.com/content-product_info/product_id-1566/fisher_space_policepro_pen.html http://www.gearboxsales.com/images/products/FPPPRO.jpg http://www.gearboxsales.com/content-product_info/product_id-1566/fisher_space_policepro_pen.html