Make air brake maintenance easier with this 2-piece automatic slack adjuster tool kit. Use the fork-end release tool to release the automatic adjuster pawl, then use the 5/16″ double square ratchet wrench to rotate the square adjusting head and adjust brake clearance. The sturdy metal construction provides reliable performance, while the orange plastic handles offer a comfortable grip and quick visibility in the workspace. Suitable for heavy-duty trucks, long-haul tractors, trailers, repair shops, roadside assistance, fleet service, and brake maintenance. Includes release tool, ratchet wrench, and storage bag.