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-lbs of impact energy for hard-hitting performance in any concrete. For lighter applications, the two-speed impact mode allows you to reduce BPM to 2,200. Advanced constant power techNlogy 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.