●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 45-tooth ratchet head measures torque in clockwise ●Ships pre-calibrated to an accuracy of +/- 4% ●Packed in carry case