The M18 Cordless LITHIUM-ION 7/8-in. SDS Plus Rotary Hammer delivers industry leading durability, with up to 2x longer life than competitive cordless rotary hammers. By combining an exclusive motor design with maximized component size, the tool delivers superior performance with up to 35% harder hitting. Powered by groundbreaking REDLITHIUM battery technology, the tool delivers 0-1,400 rpm, 0-4,800 bpm and up to 40% more run-time than the competition. Combined with 1.8 ft-lbs of impact energy, the tool also delivers up to 10% faster drilling.