Cordless Hammer Drill, Voltage 18V, Cordless Drill Class Premium, Chuck Size 1/2 in, Drilling Capacity in Concrete 5/8 in, Drilling Capacity in Wood 2 11/16 in, Number of Speed Settings 2, Number of Clutch Settings 2, Maximum Working Torque 95.9 ft-lb, Blows per Minute 0 to 38,000, Maximum Blows per Minute 38,000 bpm, Minimum Blows per Minute 0 bpm, Brushless Motor Yes, Cordless Tool Kit Contents (1) Bare Tool, Battery Series Li-Power, Charger Included No, Chuck Style Keyless