Milwaukee M18™ Brushless 1/2" High Torque Impact Wrench w/ Friction Ring Kit delivers faster driving speeds and increased productivity without the hassle of a cord. The brushless motor provides 0-1,750 RPM and 2,000 IPM, making it optimized for driving lag bolts and concrete anchors on the jobsite. Equipped with REDLINK™ technology and REDLITHIUM™ batteries, this impact wrench can drive up to 35 lag bolts measuring 6” x ½” into pressure-treated lumber using an M18™ XC 4.0 Battery. Its 1/2” anvil with friction ring allows for quick and easy socket changes, while the onboard LED light enhances visibility in low-light conditions. This tool features REDLINK™ Intelligence that optimized performance and overload protection through total system communication between the tool, battery, and charger. It delivers up to 800 ft-lbs of fastening torque and 1,200 ft-lbs of nut-busting torque for heavy-duty applications. The brushless motor ensures maximum power and longer motor life, and the variable speed trigger allows for precise control with speeds from 0 to 1,750 RPM and impacts from 0 to 2,000 IPM. The REDLITHIUM™ XC4.0 Battery Pack provides superior construction, more work per charge, and greater overall durability than competitive batteries. Model Number: 2666-21B