Cordless Hammer Drill/Driver, Voltage 12.0 V, Bare Tool, Chuck Size 3/8 in, Brushless Motor Yes, No Load RPM 0 to 450/0 to 1500, Blows per Minute 0 to 6750/0 to 22,500, Max. Torque 280 in-lb, Max. Power 4969.3199UWO, Battery Included No, Cordless Tool Battery Type Li-Ion, Battery Capacity 2.0 Ah, 4.0 Ah, Series CXT(TM), Tool Length 6 5/8 in, Tool Weight 1.6 lb, Clutch Style Adjustable, Handle Type Pistol Grip, Battery Pack Replacement 33RT43, Features Built-In LED Light, Includes Tool Only