Fisher Space Pressurized Ballpoint Refill – Medium

Fisher Space Pressurized Ballpoint Refill includes Fisher’s traditional pressurized ink that performs exceptionally well over grease, underwater and extreme weather conditions without hesitation. Works intemperatures from -30 F to +250 F, underwater, in zero gravity, at any angleeven upside down.The refill is specially designed for Fisher Space Bullet pens. It also fits perfectly on ballpoint pens that feature a Parker style refill using the included adapter.