Wera 05078205001 7773 Square Drive Insert For Torque Wrenches, 3/8in

Diameter - A measurement across a circle passing through the middle

Torque - Torque is a measure of the turning force of an object. Such as a wrench turning a bolt, the higher the toque the higher the capability of undoing a tight bolt.

Torque - The force used to turn, rotate, an object about an axis. The higher the torque the greater the ability to turn.

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