The Fein SCT 5-40X Screwdriver features the max RPM of 4000, 450 watts of power consumption, max torque of 106, magnetic chuck for 1/4" bits, and screws diameter up to 3/16". Includes (1) SCT 5-40X bare tool, (1) magnetic chuck for 1/4" bits, (1) bit 1/4" size 2/Phillips-dust protection ring, (1) depth stop, (1) hand strap, and (1) belt clip.