Shepherd Hardware 8734 Heavy Duty Flat Free Spring Gate Caster with Universal Mount, 8-Inch Wheel, 220-lb Load Capacity, Black

Designed to allow gates to open and close freely by automatically adjusting height on uneven ground while eliminating gate sag 8-inch diameter foam rubber flat free swivel gate caster with 220-lb capacity for year-round performance Automatic adjustability with 2-1/2-inch of vertical spring travel Heavy duty universal mounting plate with 7 holes to easily attach to wooden gates or along horizontal or vertical rails of a tubular farm gate using the included hardware Includes 1 heavy duty flat free gate caster, 2 U-bolts, washers, and nuts