Fisher Space Pen Tradesman Cap-O-Matic Space Pen

• Replaceable pressurized ink cartridge continuously feeds ink to the tungsten carbide ball, allowing pen to write at any angle—even upside down
• Thixotropic ink writes smoothly and dependably on most surfaces, even under water, on photographs, in freezing cold, extreme heat and in space!
• Revolving ball liquefies the ink so that it writes more smoothly, more dependably and longer than most pens
• Hi-Viz Yellow finish can be spotted from 100 ft. away if you lose it on the job site or outdoors
• Materials are recyclable
• Nontoxic black ink; refills available (not included)

Made in USA.