You can ensure torque-sensitive fasteners are set to precise tolerance with this wrench. Using the CHT141 means that nuts are tightened in accordance with manufacturer's recommendations, so avoiding undue mechanical stress and distortion. This is especially important when re-tightening crucial fasteners (cylinder head bolts or alloy wheel nuts for example) and other multi point fixings. 28 to 210 Nm (20 to 154 ft/lb) operating range. Complete with 5 extension bar and « - 3/8 adaptor. Length of wrench: 465mm. Supplied in a tough moulded case.