Quickly and effectively clean rust and corrosion from wheel studsDesigned for use with commercial truck and busComes preloaded with 22mm brush (SBR22)Also fits replacement brush size SBR18, SBR20 and the new clip in style SBR22-CQuickly cleans 10 wheel studs under 3 minutesNot for use with impact gun, use a battery powered drill (sold separately)Forward On - Reverse Off