Bare-Tool Milwaukee 2651-20 18-Volt M18 3/8-Inch Compact Impact Wrench with Ring (Tool Only, No Battery) Milwaukee designed impact mechanism provides maximum application speed Milwaukee four-pole frameless motor for maximum efficiency and run time 3/8-inch friction ring allows quick socket changes Built-in LED light illuminates work surface Weighs 4.1 pounds and is 5-3/4 inches long