The M18 7/8-in. SDS Plus Rotary Hammer delivers durability, with up to two times longer life than competitive cordless rotary hammers. By combining an exclusive motor design with maximized component size, the tool delivers up to 35% harder hitting. Powered by Red Lithium battery technology, the tool delivers up to 40% more run-time than the competition, and with 1.8 ft.-lbs. of impact energy, it delivers up to 10% faster drilling. Milwaukee Electric Tool Corp. 800-729-3878.