The SKIL PWR CORE 20? Brushless 20V 1/2-inch Mid-Torque Impact Wrench packs 480 foot-pounds of fastening torque, 800 foot-pounds of breakaway torque in Nut Busting Mode to remove rusted nuts and bolts, and up to 2,600 IPM for tough driving applications. This cordless impact wrench features a 1/2-inch square anvil with a friction ring for quick and easy socket changes, and its digital brushless motor combined with three-speed selection provides high-performance power and precise control. Use Reverse Control Mode to stop rotation and impact in seconds once a fastener is loosened. This electric impact wrench features a Halo Light? that provides 5X more light than common LEDs and reduces shadows.