Combination Rotary Hammer, Chuck Style SDS-Plus, Handle Type Pistol-Grip, Solid Bit Optimal Drilling Range in Concrete 1 in, Solid Bit Capacity in Concrete 1 in, Modes of Operation Chiseling, Drilling, Hammer, Kit Contents (1) Bare Tool, Current 7.5 A, Voltage 120V AC, Maximum Blows per Minute 4,300 bpm, Impact Energy 2.1 ft-lb, Anti-Kickback Clutch Yes, Auxiliary Handle Positions Continuous, Blows per Minute 0 to 4260 bpm, Clutch Style Mechanical, Cord Length 13 ft