Manufacturer of Hydraulic Bolting Solutions JND split type hydraulic wrench •Applicable to piercing nut working condition •Especially used for steam turbine shaft tightening •Small head radius, detachable head •Pin and shaft combination, easy to detach or combine. •Made of high strength alloy steel, very durable •Attention: Run the pump as return direction to take wrench down when every cycle is finished, then reposition. •This model does not have retaining function. Technical parameters Model