Durable construction for reliable gate support: built with rubber material and sturdy steel to deliver long lasting durability and a strong load bearing capacity. It lifts gates from 2 to 5 inches with ease. Galvanized for longevity: finished with a coating and subjected to a galvanizing process, this gate helper wheel resists wear, corrosion, and rust for outdoor use. weight capacity and hinge protection: 6inch diameter wheel capable of supporting up to 500 pounds, effectively preventing gate sagging and reducing stress on hinges. Adjustable mounting for versatile fit: includes adjustable steel U bolts and is compatible with 15/8 to 2inch round fence tubes, offering flexibility for different gate frame diameters. Practical use scenarios: Residential driveway gate on a heavy gate to reduce sag and make opening and closing smoother. Gates installed on slopes or uneven ground to lift and align the gate for reliable operation. Farm or barn gates that require a strong, durable wheel to support loads and extend hinge life.