The Milwaukee M18 FUEL™ 5/8” SDS Plus Rotary Hammer (2908-20) is a compact, high-performance cordless rotary hammer designed for professional concrete drilling and light chipping applications. It delivers the fastest 3/8” drilling in its class, with a POWERSTATE™ Brushless Motor that produces 1.3 ft-lbs of impact energy, 1,400 RPM, and 5,000 BPM.