Construction Crafted from tire grade solid rubber and sturdy steel for durability and long service life. Weight support Supports up to 500 pounds, helping prevent gate sag, reducing hinge stress, and promoting smooth operation and extended lifespan. Compatibility 6 inch wheel diameter with an adjustable steel U bolt; fits gate frames from 1 5/8 to 2 inches in diameter for flexible installation. Easy installation Attach the wheel to the pipe at the bottom of the gate; adjustable height settings to match the specific requirements of your gate. Key benefits Reliable heavy load performance: Designed to handle gates up to 500 pounds, preventing sag and easing hinge wear. Durable construction: Tire grade solid rubber wheels paired with sturdy steel components for lasting value. Flexible fit: Wide compatibility with gate frames from 1 5/8 to 2 inches in diameter and a 6 inch wheel diameter. Simple setup: Quick bottom pipe mounting with adjustable height to suit your gate. Use scenarios Residential driveway gate: Replaces or upgrades worn casters on a heavy wooden or metal gate to maintain level operation and reduce effort when opening. Farm or barn gate: Suitable for gates crossing uneven ground or gravel, helping to keep the gate aligned and easy to move. Commercial or industrial gate: With frequent daily use, provides consistent performance and reduces maintenance on traffic gates. Notes Ensure gate frame diameter within 1 5/8 to 2 inches before installation. Height adjustment accommodates variations in gate height to maintain proper clearance and operation.