You can ensure torque-sensitive fasteners are set to precise tolerance with this torque wrench. Using the CHT141 means that nuts are tightened in accordance with manufacturer's recommendations, so avoiding undue mechanical stress & distortion. This is especially important when re-tightening crucial fasteners (cylinder head bolts or alloy wheel nuts for example) & other multi point fixings. Correct torque settings are essential for the safety & integrity of many fasteners & components on a diverse range of machines.