STURDY DESIGN: Constructed from tiregrade 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. USE SCENARIO: Residential driveway gates that are used daily benefit from stable support to prevent sagging and maintain smooth operation. USE SCENARIO: Farm or ranch gates that experience heavy use and loads are supported by a 500pound capacity, reducing hinge wear and extending gate life. USE SCENARIO: Garden or yard gates placed on uneven ground can stay level thanks to the 6inch wheel and adjustable height, ensuring easy operation.