The SDS Max and Spine D25602K 1 3/4-in. combination rotary hammer is ideal for a variety of commercial concrete construction applications. Using high-performance motor technology, the tool generates up to 13 1/2 amps and up to 9 1/2 ft.-lbs. of high-impact energy. The rotary hammer features SHOCKS Active Vibration Control, which reduces vibration up to 50% compared to other models; and Complete Torque Control, a two-stage clutch system that switches between 30 and 60 ft.-lbs. of torque depending on the drilling application. DeWalt Industrial Tool. 800-433-9258.