Cordless Hammer Drill, Voltage 18V, Cordless Drill Class Compact, Chuck Size 1/2 in, Drilling Capacity in Concrete 5/8 in, Drilling Capacity in Wood 3 1/2 in, Number of Speed Settings 2, Number of Clutch Settings 18, Maximum Working Torque 60.4 ft-lb, Blows per Minute 0 to 28,800, 0 to 8,800, Maximum Blows per Minute 8,800 bpm, 28,800 bpm, Minimum Blows per Minute 0 bpm, Brushless Motor Yes, Cordless Tool Kit Contents (1) Bare Tool, Battery Series M18(TM) REDLITHIUM(TM), Charger Included No