Rotary Hammer Kit, Chuck Style SDS Max, Solid Bit Capacity in Concrete 2 in, Current 15 A, Voltage 120 V, Maximum Blows per Minute 1,950 bpm, Impact Energy 19.9 ft-lb, Blows per Minute 975 to 1950, Core Bit Capacity in Concrete 6 in, Includes Carrying Case, Side Handle, Maximum Speed 250 RPM, Minimum Blows per Minute 975 bpm