Low profile hydraulic wrenches are currently available in six models with torques ranging from a minimum of 171 ft. lbs (233 Nm) to 32,893 ft. lbs (44590 Nm), which can accommodate bolt tightening and loosening in the hex nut S19-S175 range. Please contact us for the models and details. Our products are: hydraulic wrenches, hydraulic bolt tensioners and related accessories. Our services include: bolt tightening hydraulic tool selection, technical advice, after-sales and more. There are any difficulties in the selection, please contact us Email:sales@wodenchina.com Application: WODEN from China to Vietnam,is instructing Vietnam users: CITICOM, how to use the WODEN WD-A10 Square drive hydraulic torque wrench, application for steel bolts tightening and loosening.