Wera Safe Torque A2 1/4" Torque Wrench and Screwdriver Set 2Nm - 12Nm. Wera Safe Torque A1 1/4" Torque Wrench 2Nm - 12Nm. Wera Safe Torque A2 1/4" Hex Drive Torque Wrench 2Nm - 12Nm. Once the set torque has been reached, the tool cannot be overtightened, so that excessive torque cannot be applied.
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