Cordless Hammer Drill/Driver Voltage 18.0 Bare Tool Chuck Size 1/2 In. Brushless Motor Yes No Load RPM 0 to 600/0 to 2100 Blows per Minute 0 to 31 500 Max Torque 531 in.-lb. Max Power Not Specified Battery Included No Cordless Tool Battery Type Li-Ion Series Ultra-M Tool Length 7-13/64 In. Tool Weight 2.5 lb. Clutch Style Adjustable Handle Type Pistol Grip Battery Pack Replacement 48UT60