Usage: These ratchets have different size heads that is the main distinguishing factor, the square head (or drive), is measured on one side which gives a specific distance, thus we have a 1/2 inch drive ratchet on the left, a 3/8 drive ratchet in the middle, and 1/4 inch drive ratchet on the right. Ratchets are used in conjunction with sockets as a twisting devise to tighten or loosen bolts and nuts.
Breaker Bar and Cheater
Usage: Breaker bar is normally a 1/2 inch drive or larger. It is used to break loose stubborn bolts and nuts that have rusted tight. The cheeter is used as an extension when slipped over the handle to gain more torque. This tool should only be used with impact sockets.
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