high performance: 350 nm torque and 3,400 impacts/min for demanding applications great versatility: 3 speed/torque settings for changing wheels, loosening bolts and tightening large screws robust design: 1/2 inch square male allows you to attach accessories securely and quickly power for all alliance: 1 battery, 10+ brands, 150+ tools comes with: universalimpactdrive 18v-350, 1 x hex adapter