STURDY CONSTRUCTION: Heavy-duty gate wheel made from durable tire-grade rubber and solid steel plate with superior coating and zinc plating for excellent wear resistance, corrosion resistance, and rust protection, ideal for long-lasting outdoor use. Provides strong load-bearing support for each gate caster, making it easy to open and close large, heavy gates. SUITABLE FOR ROUND PIPE: The 6-inch hard rubber gate support wheel includes an adjustable steel U-bolt for mounting, fitting round fence pipes from 1-5/8 inches to 2 inches in diameter. Lifts gate up to 8-1/4 inches to prevent dragging. Please verify your gate frame diameter before purchasing. EASY INSTALLATION: Includes all necessary mounting hardware for quick and simple setup. Attach the wheel to the bottom rail of the gate and adjust the angle to ensure the wheel contacts the ground. Tighten the U-bolt nuts securely to prevent slippage. SUPPORTS UP TO 500 LBS: Durable gate helper wheel supports up to 500 pounds, helping prevent gate sagging and reducing stress on gate hinges. Ideal for chain link fence gates, ranch gates, cattle fences, farm pipe gates, pool gates, metal gates, swing gates, garden gates, patio gates, and driveway gates. Moves smoothly over grass, gravel, and concrete surfaces. Color: Black Material: Metal + Rubber Package Contents: 1 x Gate Wheel for Metal Tube Gate (other items not included) Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.