supply of impact wrenchimpact wrench,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 ] ]