[STURDY CONSTRUCTION] Heavy-duty gate wheel made from hard tire grade rubber and solid steel plate with superior coat and zinc plating, offering wear resistance, corrosion resistance, and rust-proof performance for long-lasting outdoor use. Provides strong load-bearing support for each gate caster, making it easy to open or close large, heavy gates. [FOR ROUND PIPE ONLY] The 6-inch hard rubber gate support wheel comes with an adjustable steel U-bolt for mounting, fits 1-5/8 inches through 2 inches round fence pipe. Lifts gate up to 8-1/4 inches. Prevents gate from dragging. Please check your gate frame diameter before purchasing. [EASY INSTALLATION] Includes all necessary mounting hardware for quick installation. Attach the wheel to the bottom rail of the gate and adjust the angle to ensure the wheel touches the ground. Tighten U-bolt nuts securely so the helper gate wheel does not slip around the pipe. [SUPPORTS UP TO 500 LBS] Durable gate helper wheel supports up to 500 lbs, preventing gate sagging and reducing strain on gate hinges. Ideal for chain link fence gates, ranch gates, cattle fences, farm pipe gates, pool gates, metal gates, swing gates, garden, patio, and driveway applications. Moves smoothly on grass, gravel, and concrete surfaces. Color: Black Material: Metal + Rubber Package Contents: 1 x Gate wheel for metal tube gate Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.