Calibrated to an accuracy of +/ 4%, the TEKTON 1/4 in. Drive Click TorqueWrench lets you work with confidence, eliminating guessing and the commontendency to overtighten fasteners. Correctly tightening fasteners to a vehicleor equipment manufacturer’s torque specifications ensures parts are properlysecured without being damaged. Simple and easy to use, this wrench has areversible ratcheting head that drives fasteners in both directions andmeasures torque in the clockwise direction. To measure torque, set the desiredvalue on the handle scale (inch pounds or Newton meters) and begin tighteningthe fastener. When the preset torque value is reached, a reliable mechanicaloperation inside the handle produces a click you can hear and feel, alertingyou to stop applying force. Built for consistent performance and years ofdependable service, the mechanical design doesn’t need batteries, and theallsteel construction has no plastic parts to break or wear out.IMPORTANT:This wrench is shipped precalibrated and ready to use. To help maintaincalibration, store at its lowest setting of 20 in.lb./2.2 Nm when not in use.Be sure to read and understand the operator’s manual, including all safetyinformation, before first use.Specifications:Range – in.-lb.: 20-200in.-lb.Range – Nm: 2.26-22.6 NmIncrement: 1 in.-lb. (0.113 Nm)Accuracy: 4percentLength: 10-7/8 inchRatchet: 24 toothCountry of Origin:TaiwanIncludes:(1) 1/4 in. drive torque wrench(1) Storage case(1) Operator’smanual with torque conversion chart