Adjustable Wrench Head for Torque Wrench HY38-18TH TOP

Only requires 30 swing angle as the insertion angle to torque handle can be changed, whereas a usual adjustable wrench requires 60 of swing angle at minimum.The backlash-less worm(PAT.), which consists of 2 worms pinching the rack of lower jaw, eliminates the backlash and reduces the gap between the contacting surface of bolt/nut and that of jaw, which leads to less possibility to damage the ridge of bolt/nut.With a scale.Connector ID(mm):?318Min:17Opening Width (mm) Max:38Effective Length (mm):80Preset type:T , 180NTKApplicable Torque Handle Digital Type:DT , 200-18BNDo not insert, if connector of torque handle is plunger pin type. If it is steel ball type, please insert to it.To grip a bolt/nut, align the mouth width to the width across flats, and press until it contacts with the spring pin.Do not grip nut/bolt diagonally or leave it tightened insufficiently.