TOP Adjustable Wrench Head for Torque Wrench

Do 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.

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.