Impact Wrench With 40Mm & 41Mm Bits. Technical Specification Power - 40 V Lithium Ba Ttery Fastening Capacities - Standard Bolt : M12-M36 (1/2"-1.7/16") High Strength Bolt : M10-M27 (3/8"-1.1/ 16") Square Drive - 19Mm (3/4") No Load Speed (Rpm) - Max/Hard/Mid/Soft : 0-1800/1400/1150/950 Impact Per Minute (Ipm) - Max/Hard/Mid/Soft : 0-2500/2400/2200/1900 Max. Fastening Torque - 1800 Nm Vibration Level - Impact Tightening Of Fsteners Of The Maximum Capacity Of The Tool 18.5 M/S2 Sound Pressure Level - 100 Db (A) Sound Power Level - 11 Db (A) Number Of Impacts -2200 Times/Min Square Drive 19Mm Weight - 4.2 K, Or More Brands With Similar [ Warranty Period: 30 Months After The Date Of Delivery ] ]