20-Volt Max XR High Torque Impact Wrench Kit, Brushless Motor, 1/2-In., Lithium-Ion Battery20v, max xr,1 2", lithium ion brushless high torque impact wrench kit with detent pin anvil, up to 700 ft lb max torque &1200 ft lb max breakaway torque, compact design, multi speed control for a variety of applications 0 400 1,200 1,900 rpm, 1 2" anvil with detent pin, led light with 20 second delay for increased visibility, includes: 5. 0 ah battery & multi voltage charger.