The JTC 5579 Truck Air Brake Adjusting Wrench Set is used for adjusting automatic slack adjusters. With its fork-end design, this tool is able to fit securely under the pull pawl, allowing hands-free operation to release the tension button. The 5/16" offset square reversible wrench is for adjusting the brake and capable of releasing the anti-reverse mechanism without prying.
Model Name: JTC-5579