Cordless Hammer Drill Voltage 18V Cordless Drill Class Compact Premium Chuck Size 1/2 in Drilling Capacity in Concrete 5/8 in Drilling Capacity in Wood 4 in Number of Speed Settings 2 Number of Clutch Settings 16 Maximum Working Torque 1 400 in-lb Blows per Minute 0 to 33 000 Maximum Blows per Minute 33 000 bpm Minimum Blows per Minute 33 000 bpm Brushless Motor Yes Cordless Tool Kit Contents (2) Batteries Bare Tool Charger Battery Capacity 5.0Ah Battery Model Number 35GJ99