Engineered for Extra Heavy-Duty Support: The PHM 17-120 Tender Spring. This is one genuine PHM 17-120 Tender Spring, an Extra Duty replacement component for air and electrical line management systems on heavy-duty trucks and trailers. This 20-inch spring is specifically designed with enhanced strength to handle the demanding weight and recoil requirements of coiled assemblies that include ABS (Anti-lock Braking System) power cables. The 17-120 is constructed from high-quality, pre-galvanized hard drawn steel wire, ensuring maximum resilience against harsh road environments, corrosion, and continuous flexing. Utilizing this extra heavy-duty spring ensures that your lines remain securely suspended, reducing wear and tear and eliminating the risk of line failure caused by dragging or snagging. Cross-references of the product: Philips 17-120, PHM 17 120, Slon 451050, Tectrn 9421-3, Navstar PHL17120, and Mak 25167816. The superior design of PHM 17-120 provides essential support for your truck's lines, extending the life of your air brake and electrical connections and ensuring safe, compliant operation. Characteristics: ⦁ Part Type: Air/Cable Tender Spring (Extra Heavy-Duty) ⦁ Length: 20 inches (50.8 cm) ⦁ Outer Diameter: 0.90 inches (22.8 mm) ⦁ Material: Pre-Galvanized Hard Drawn Steel Wire ⦁ Application: Semi-Truck/Trailer Tracker Bar Assemblies with ABS