Matt LaoDi Dongli - Hydraulic Pulse Wrench is a pneumatic wrench adopting hydraulic pulse torque amplification technology. Its core transmits torque through the pressure change of hydraulic oil, featuring both high torque output and precise torque control. It is mainly used for tightening and disassembling medium and high strength bolts, and is a core tool for industrial assembly. It has high torque accuracy, small reaction force, no impact noise, and strong durability. Torque range: 16-450NM.