, Huayin Construction, Tianjin Instrument Technology Co., Ltd. torsional shear electric wrench is an essential tool for torsional shear bolt tightening job. When the wrench reaches a certain torque to the bolts at the V-notch cut bolts Torx section, complete bolt tightening operations, widely used in steel bridges, factories, power generation equipment and other facilities construction work. Model: P1B-DY-22J Rated voltage: 220V Maximum Current: 6.5A Maximum Power: 1300W Maximum torque: 1000Nm speed: 16r/min Weight: 6.9Kg Applicable Bolt: M16-M22