Sturdy and Durable - The gate helper wheel is constructed with rubber material and sturdy steel for durability and strong load-bearing capacity. It lifts gates from 2 to 5 inches with ease. Galvanized for Longevity - Coated and galvanized to resist wear and rust, providing long-lasting outdoor use. High Weight Capacity - With a 6-inch diameter, the gate wheel supports up to 500 pounds, helping prevent gate sag and reducing stress on hinges. Adjustable U-Bolt Mounting - Includes adjustable steel U-bolts that fit 1-5/8 to 2-inch round fence tubes, offering mounting flexibility for different gate frame diameters. Practical use scenarios - Farm or ranch gates that sag or drag: install to lift the gate by 2-5 inches, improving opening/closing effort and extending hinge life. - Driveway or garden gates on uneven ground: provides consistent lifting to reduce gate binding and maintain alignment in wind or weather. - Gates on slopes or uneven terrain: supports the gate to prevent dragging and distributes weight more evenly for smoother operation. Specifications at a glance - Material: Rubber and steel - Lift range: 2 to 5 inches - Diameter: 6 inches - Weight capacity: Up to 500 pounds - Mounting: Adjustable U-bolts for 1-5/8 to 2 inch round fence tubes