Key benefits Durable gate helper wheel: rubber wheel paired with sturdy steel construction provides strong load bearing capacity and long service life. Designed to lift a gate from 2 to 5 inches to reduce sag and ease operation. Galvanized construction: finished with a coated and galvanizing process for wear resistance and rust protection, suitable for long outdoor use. weight capacity: 6 inch diameter wheel supports up to 500 pounds, helping prevent gate sag and reducing stress on gate hinges. Adjustable mounting: adjustable steel Ubolts fit round fence tubes from 15/8 to 2 inches, offering flexible mounting for different gate frames. Specifications Wheel diameter: 6 inches Weight capacity: up to 500 pounds Material: wheel is rubber; frame is steel Finish: galvanized with protective coating Lift compatibility: suitable for lifting gate from 2 to 5 inches Mounting compatibility: fits round fence tubes 15/8 to 2 inches Use scenarios Sagging outdoor gate: install on a heavy wooden or metal yard gate to lift the gate as it opens, reducing drag and easing operation while extending hinge life. Weatherexposed installations: galvanized construction and coated finish resist wear and rust in wet or humid environments, improving outdoor durability. Variable frame sizes: adjustable Ubolts accommodate gate frames with fence tubes ranging from 15/8 to 2 inches in diameter, allowing flexible mounting across different gates and fences.