Get the most powerful, most compact, longest-running impact wrench in its class. The M18™ cordless Lithium-Ion 1/2 in high torque impact wrench features a Milwaukee® 4-pole motor and powerful impact mechanism to deliver a reliable 450 ft-lb of torque with maximum runtime. The REDLITHIUM™ extended capacity battery pack delivers more work per charge and more work over pack life than the competitors, as well as best-in-class performance in extreme jobsite conditions. You'll get consistent speed control between 0 to 1900 rpm and 0 to 2200 IPM with the variable-speed trigger. A 1/2 in anvil with friction ring allows quick and easy one-handed socket changes. The M18™ impact wrench's onboard, real-time battery fuel gauge helps you monitor the charge precisely, so there's less downtime on the job. Lightweight and portable, with superior ergonomics, this 18 V cordless power tool offers ultimate comfort during prolonged use. The kit includes two M18™ XC batteries, an M18™ and M12™ multi Vage Lithium-Ion battery charger and a carrying case.