Rotary Hammer Kits, Rotary Hammer Kit, SDS Max, No Load RPM 170 to 340, Blows per Minute 1700 to 2900, 13.0 Amps, Voltage 120, Solid Bit Capacity 1-5/8 In. Core Bit Capacity 4-1/8 In. Stop Rotation Yes, Reversing No, Impact Energy 6.8 ft. Turbo, Tool Length 18 In. Tool Weight 14.3 lb. Features Vibration Control, 1-Hand Tool Change, Dial Speed Control, Standards UL Listed, CSA Certified, Includes Side Handle, Carrying Case.