This automatic slack adjuster release tool kit is designed for servicing air brake systems on heavy-duty trucks, tractors, and trailers. The fork-end release tool helps release the pull pawl/tension button of the automatic adjuster, while the 5/16″ double square ratchet wrench fits the adjusting worm gear to help set brake clearance. Made with durable metal working ends and bright orange plastic handles for easy grip and visibility. Ideal for repair shops, fleet maintenance, roadside service, and brake system repair. Package includes 1 fork-end release tool, 1 5/16″ double square ratchet wrench, and 1 storage bag.