Fisher Cerakote Bullet Space Pen #400H-237, Tungsten Marble Scribe You can replace the EasyFlow

You can replace the EasyFlow ballpoint refill with any readily available Parker-style ballpoint refill

Fisher Backpacker Space Pen #BP/BL

100% Swiss Made associate thanks to its replaceable ink cartridge and its highly-resistant metal body

Width at middle of barrel:

Fisher Cerakote Bullet Space Pen #400H-237, Tungsten Marble Scribe You can replace the EasyFlowFisher Cerakote Bullet Space Pen #400H 237, Tungsten Not only is the Tungsten Bullet Space Pen eye catching with its unique texture, but its durability and ease of carry is exactly what you need when working in environments that are unforgiving. This pen performs in all weather, in places most pens wont. Dont worry about scratches or corrosion because this ceramic polymer based finish is as tough as it gets. Conceived in 1948 by Paul C. Fisher, the