A torque wrench is a tool used to apply a specific amount of force to a bolt or nut, ensuring it is tightened to the correct level. It has a built-in mechanism that allows the user to set a desired torque value. When that value is reached, the wrench emits a click or other signal to indicate that the right amount of pressure has been applied. Torque wrenches are essential in many mechanical tasks, especially when precise tightness is critical, such as in car repairs or construction.

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