A click-style torque wrench with a 1/2-inch drive is optimal for lug nuts and good for most other automotive applications. Like any other ratchet wrench, the longer the handle and the bigger the drive, the more torque it can deliver. Most torque wrenches are ratchet handles onto which you snap a socket, and thus are available in four standard socket drive sizes. A torque wrench allows you tighten a nut or bolt to a specified torque by giving you tactile, visual, or auditory feedback when you’ve reached the target setting. Other critical bolts include those on cylinder heads and rubber suspension bushings. If they’re too tight, you may not be able to remove them to change a flat tire.
It’s crucially important that certain nuts and bolts on a car are tightened to a Goldilocks-level of “just right.” If wheel lug nuts are too loose, you risk losing a wheel while driving.
A torque wrench helps set the car wheels’ lugnuts to the exact tightness.
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