Optimize your heavy-duty air brake maintenance with the Lang Tools Slack Adjuster Tool set, designed for efficiency and durability. Durable Construction: Crafted from high-quality steel, ensuring long-lasting performance in demanding conditions. Zinc Finish: The zinc coating provides enhanced resistance to corrosion, extending the life of your tools. Versatile Compatibility: This 2-piece set is specifically designed for use with Rockwell, Arvin, and Meritor systems, making it a reliable choice for various applications. Effortless Adjustment: Simplifies the slack adjustment process, helping you maintain optimal brake performance. The Lang Tools 4651 Slack Adjuster Tool set is sold as a complete set, providing you with everything you need for effective brake system maintenance.Invest in quality tools that deliver precision and reliability for your heavy-duty needs.