The Milwaukee 2651-22 M18 3/8 in. Compact Impact Wrench features a cordless design with a built-in LED light that illuminates the work surface for convenience and portability. This effective Milwaukee 2651-22 impact wrench features a 3/8 in. anvil with friction ring for quick and easy 1-handed socket changes. The lithium-ion battery features a digital power and temperature management system to add longevity. Cordless tools powered by RED LITHIUM - batteries deliver more torque, more power, and longer run-time than the competition.