The M18 FUEL™ ½" High Torque Impact Wrench with Friction Ring Kit features the most powerful cordless wrench in its class, delivering up to 950Nm of maximum fastening torque, 1491Nm of nut-busting torque and maximum runtime. The POWERSTATE™ Brushless Motor outperforms with constant power output, and the Milwaukee® designed impact mechanism delivers up to 950Nm of maximum fastening torque. The REDLITHIUM-ION™ 5.0Ah Extended Capacity Battery Pack (not included) delivers more work per charge and more work over pack life. It features an onboard fuel gauge to help you monitor the charge more accurately, so there’s less downtime on the job. REDLINK PLUS™ Intelligence allows the operator to choose between 2 fastening modes with Milwaukee’s proprietary DRIVE CONTROL™ feature and ensures maximum performance and protection from overload, overheating and over-discharge. This M18 FUEL™ ½" High-Torque Impact Wrench offers quick, tool-free socket changes with a ½" friction ring anvil. You’ll get ultimate comfort during extended use with the new contoured soft grip.