Strong and sturdy construction Built from rubber material and sturdy steel for durability and loadbearing capacity Designed to lift gates from 2 to 5 inches with ease Galvanized for longevity Coated finish and galvanizing process provide resistance to wear, corrosion, and rust Suitable for long outdoor use weight capacity 6inch diameter wheel supports up to 500 pounds Helps prevent gate sagging and reduces stress on gate hinges Adjustable Ubolt mounting Adjustable steel Ubolts fit 15/8 to 2inch round fence tubes Flexible compatibility with a range of gate frame diameters Use scenarios Residential driveway gate that sags over time: install the wheel to lift the gate 25 inches for smoother operation Garden or pasture gates on round fence tubes: reduces friction and wear, extending gate life Heavy exterior gates up to near 500 pounds: use to alleviate hinge stress and maintain proper opening clearance