High performing with 750Nm of fastening torque, 1000Nm of nut-busting torque, 2300 RPM max and 3000 IPM max. Powerful, long-life brushless motor. 3-speed selector switch for greater control in a variety of applications. 1/2-Inch square anvil with Hog Ring retention. Reverse auto-stop once nut has broken loose. Voltage: 18V Max Motor type: Brushless No Load Speed: 0-1250/0-1950/0-2500 rpm No-Load IPM: 0-900/0-2100/0-3100 ipm Max. Fastening Torque: 750 Nm Nut-busting Torque: 900 N.m Speed power selection: 3-Mode Square drive: 1/2" (12.7mm) Fastening capacities: Standard bolt: M10-M24, High tensile bolt: M10-M16 Weight(Tool): 1.7Kg