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