There is a type of hydraulic wrench that is outstanding:70 Mpa max working pressure; keep the accuracy ±3%. 5 models with the range from 225-44593N.m 360*180 degree swivel &360*360 degree swivel allow the wrench free to operation with no space limitation. More accuracy andeasier when the wrench direct operate on the nuts. Compact design with longer arm fully advances the reliability Compact design with the raw material of advanced aluminum-titanium alloy, high intense.The new locking coupler ensures the oil keep free access.