Sturdy design: Constructed from tire grade solid rubber combined with robust steel components, these gate casters deliver exceptional strength for outdoor use. Heavyduty support: Engineered to hold up to 500 pounds, these casters effectively prevent sagging gates while reducing wear on hinges for longerlasting functionality. Flexible installation options: With a 6inch wheel diameter and an adjustable steel U bolt, they easily accommodate gate frames ranging from 1 5/8 to 2 inches in diameter. Quick and easy setup: Installation is hassle as you attach the wheel at the bottom of your gate with adjustable height features tailored to your needs. Applications: Driveway or entry gates on uneven ground or in windy locations benefit from durable wheels that maintain alignment and reduce hinge stress. Applications: Farm, ranch, garden, or utility gates with frames in the 1 5/8 to 2 inch range, offering reliable, simple installation and strong support. Applications: Gates that are frequently opened and closed, where adjustable height helps prevent scraping and ensures smooth operation.