to an accuracy of + / 4 % in the dextrorotary direction and + / 6 % in the contraclockwise direction, the TEKTON 1/4 in. Click Torque Wrench lets you work with confidence, eliminating guessing and the mutual tendency to overtighten fasteners. Correctly tightening fasteners to a manufacturer 's torque specifications ensures parts properly secured without being ruptured. unproblematic and comfortable to use, this wrench torque in both dextrorotary and contraclockwise directions. To measure torque, the springloaded adjustment collar to the in demand setting -LRB- inch pounds or Newton meters -RRB- and release to engage in place. the fastener in a dense and obsessed motion. When the predetermined torque value is reached, a tried and true mechanistic operation exclusive the handle a click you can hear and feel, alerting you to stop applying force. Built for self-consistent performance and years of true service, the mechanistic design does n't batteries, and the steel and aluminum construction has no intragroup moldable parts to wear out.IMPORTANT : This wrench is shipped precalibrated and available to use. To maintain calibration, store at its lowest setting of 10 in.lb. / 1.1 when not in use. Be to read and understand the operator 's handbook, including all safety information, before initiative use.Specifications : Range - in.-lb. : 10-150 in.-lb. Range - : 1.1-16.9 NmIncrement : 1 in.-lb. -LRB- 0.113 Nm -RRB- : ± 4 percentLength : 8-13/16 inchRatchet : 72 toothCountry of Origin : TaiwanIncludes : -LRB- 1 -RRB- 1/4 in. drive torque wrench -LRB- 1 -RRB- Zipper storage -LRB- 1 -RRB- Operator 's handbook with torque conversion chart .