Brand: Beta Tools
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Impact drivers save a lot of time when changing wheels, but zipping lug nuts on using full power can snap your wheel studs. This torsion bar extension from Beta Tools is designed to limit the amount of applied torque to avoid overtightening and breakage.
Simply put this 200mm (7 7/8") long extension between your impact wrench and your impact socket before tightening the lug nut. The 1/2" square drive fits common impact wrenches and sockets (sold separately). When your impact gun begins to hammer, the bar will twist to absorb the torque pulses above 81 lb-ft (110 Nm). Finish by using your torque wrench to bring the nuts to full torque. The part number and torque limit (in Nm) are etched into the bar, and the new 720TC Series bars are color-coded for quick identification (110 Nm / 81 lb-ft is dark green). Sold individually.
Note 1: This is a torque limiting device only. It is not designed to apply an exact amount of torque. You must use a torque wrench to ensure lug nuts are tightened properly.
Note 2: Never use this bar to loosen any fasteners. Doing so may break the bar and cause serious injury.
