Rotary Hammer Kit, Chuck Style SDS Max, Solid Bit Capacity in Concrete 1 9/16 in, Current 10 A, Voltage 120 V, Maximum Blows per Minute 2,500 bpm, Impact Energy 4.6 ft-lb, Blows per Minute 0 to 2500, Cord Length 12 ft, Core Bit Capacity in Concrete 4 1/8 in, Includes Bit Grease, Carrying Case, Depth Rod, Side Handle, Maximum Speed 380 RPM, Minimum Blows per Minute 0 bpm