Milwaukee® Brush Retaining Cap is designed for 1/2" reversing drill, Sawzall®, 1/4" power pack drill motor, electric drill/driver, 1/2" motor for 6000 RPM electromagnetic drill press, 1/2" D-handle drill with 0-600 RPM Quik-Lok® cord, "D" handle hammer drill, hammer drill, rotary hammer, drill motor, Sawzall® plus Sawzall® plus, super Sawzall® with Quik-Lok® blade clamp, drill and saw.