Ronlap Heavy Duty Rubber Gate Caster with Universal Mount Plate, 220 Lbs Capacity, 4 Inches, Black, Built-in Spring Load for Ageing Resistance Review

【Spring-loaded Design】: Adjustable spring bracket with up to 1-3/4” spring-loaded vertical travel, automatically adjusting gate height with surrounding terrain throughout the opening and closing cycles, effectively prevent gates from sagging to keep the fence line level. 【Durable Construction】: Thicken matte black power coat finish plating steel plate and double ball bearing bring strong load bearing support, 220lbs maximum load capacity for each gate caster, make it easy to open or close large, heavy gates. 【360°Swivel Caster】: 4 inches ageing resistance rubber caster with 360°rotation top plate, great in mechanical strength and loading capacity, easily transform to any directions that you want, enable you spend little strength to move gate safely. 【Shock Absorbtion】: Built-in spring-loaded clamp acts as a shock absorber when gate caster is rolling over uneven or rough surfaces, reducing stress on gate hardware, extending the life of a gate’s posts and hinges. 【Easy to Install】: Heavy duty universal mounting plate with 3 holes to easily attach to wooden gates with lag bolts, the versatile hole pattern also allows for easy mounting to a tubular farm gate along horizontal or vertical gate rails, mounting bolts and screws are included.