[header] How to use a torque wrench [title] Purchase a torque wrench that you are sure is calibrated. [step] Purchase one directly from an auto parts store or a supplier. If you purchase a used torque wrench, take it to be recalibrated at an auto parts store. 
[substeps] There are four types of torque wrenches: beam, click adjustable, dial gauge and digital electronic. The main differences between these types are how they are read and how easily they can be adjusted.