Cordless Hammer Drill/Driver, Voltage 20.0 V, Bare Tool, Chuck Size 1/2 in, Brushless Motor Yes, No Load RPM 0 to 450/0 to 1650, Blows per Minute 0 to 28,050, Max. Torque Not Specified, Max. Power 340UWO, Battery Included No, Cordless Tool Battery Type Li-Ion, Battery Capacity 1.5Ah, Series ATOMIC(TM), Tool Length 6 7/8 in, Tool Weight 2.5 lb, Clutch Style Adjustable, Handle Type Pistol Grip, Battery Pack Replacement 11A168, Features Provides Ideal Balance and Tool Control, Includes Belt Clip