Description Confidently tighten fasteners to a manufacturer's torque specifications, preventing expensive damage caused by overstressed or poorly secured parts Wrench emits a click that can be heard and felt when the preset value is reached Smooth and precise, the spring-loaded adjustment collar automatically locks in place at the desired torque value, ensuring it won't accidentally wander during use Reversible, finely geared 72-tooth ratchet head measures torque in clockwise and counterclockwise directions Ships pre-calibrated to an accuracy of +/- 4% (clockwise) and +/- 6% (counterclockwise)