Rotary Hammer Kit, Chuck Style SDS Plus, Solid Bit Capacity in Concrete 1 in, Current 8 A, Voltage 120 V, Maximum Blows per Minute 4,500 bpm, Impact Energy 2.1 ft-lb, Blows per Minute 0 to 4500, Cord Length 13 ft, Core Bit Capacity in Concrete 3 1/8 in, Includes Carrying Case, Depth Rod, Side Handle, Maximum Speed 1,100 RPM, Minimum Blows per Minute 0 bpm