Cordless Hammer Drill Voltage 20V Chuck Size 1/2 in Number of Speed Settings 2 Number of Clutch Settings 24 Maximum Working Torque 1 100 in-lb Blows per Minute 28000 Maximum Blows per Minute 28 000 ipm Minimum Blows per Minute 8 000 ipm Brushless Motor Yes Cordless Tool Kit Contents (2) Batteries Auxiliary Handle Bare Tool Charger Battery Capacity 5.0 Ah Battery Model Number BL2022 Charger Included Yes Charger Model Number BC1121 Chuck Material Metal Chuck Style Keyless