Get best-in-class power and the highest overload protection for the toughest demolition jobs. The SDS-Max Demolition Hammer has a heavy-duty crank piston mechanism that delivers 8.8 ft-lb of impact energy for hard-hitting performance in any concrete. For lighter applications, the two-speed impact mode allows you to reduce bpm to 2200. Advanced Constant Power Technology electronics and a mechanical clutch enhance your control and the rotary hammer's long-term durability. The Anti-Vibration System and side D-handle ensure safe, comfortable use. The tool comes with a carrying case.