Restoration Series
Wrench head

Proper tightening of fasteners is essential in the assembly of parts. Experienced mechanics have the skill to approximate the correct force in tightening fasteners, but even they cannot apply the precise force for critical components such as head bolts and wheels. Properly tightening fasteners requires a torque wrench to apply the proper torque. For most people, using a torque wrench to apply the correct force during assembly is strongly recommended.

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