Cordless Hammer Drill/Driver, Voltage 18.0 V, Bare Tool, Chuck Size 1/2 in, Brushless Motor Yes, No Load RPM 0 to 500/0 to 2000, Blows per Minute 0 to 7500/0 to 30,000, Max. Torque 530 in-lb, Max. Power Not Specified, Battery Included No, Cordless Tool Battery Type Li-Ion, Tool Length 7 7/8 in, Tool Weight 3.9 lb, Clutch Style 18 Position Adjustable, Handle Type T-Handle, Battery Pack Replacement 4NNN2, Features LED Work Light, Variable 2-Speed Transmission, Includes Tool Only