Click To Buy Battery 1675356Specifications Color black blueNo Load Speed 0 4000 rpmImpact frequency 0 4000 ipmSquare Drive 1 2 Switch stepless speed changeMotor brushless motorMaximum Torque 520N MFeatures 520N M high torque stepless speed change switch Powerful electric wrench multi purpose super power Tungsten steel shaft high hardness and wear resistance Suitable for construction site shelves maintenance woodworking etc The brushless motor does not generate sparks when it is working and the motor does not wear Note 1 Please allow a bit error due to manual measurement please make sure you do not mind before you bid 2 The color may have different as the difference display please understand Package Included 1 x Electric Wrench This product does not include batteries