Cordless Hammer Drill/Driver Kit, Voltage 18.0 V, Battery Included, Chuck Size 1/2 in, Brushless Motor No, No Load RPM 0 to 400/0 to 2000, Blows per Minute 0 to 6000/0 to 30,000, Max. Torque 750 in-lb, Max. Power Not Specified, Battery Included (2) 33RT43, Cordless Tool Battery Type Li-Ion, Battery Capacity 4.0Ah, Tool Length 8 7/8 in, Tool Weight 5.1 lb, Clutch Style Adjustable, Handle Type T-Handle, Battery Pack Replacement 33RT43, Features LED Worklight