【 Quick cleaning】 fit proper patches on, and through the bores for gun cleaning;. for rifle & Air gun; 5mm(8-32 male ). 22-.338 cal. for rifles; 6mm (8-32 male). 30cal -. for rifle, pistol/handgun 8mm (5/16-27 male). 410cal.-28G, 20G,16G,12G, 10G.