The Shepherd Hardware 4 in. Gate Caster with Adjustable Spring Bracket is designed to allow gates to open and close freely. It features a 125 lb. load rating and a spring-loaded clamp that acts as a shock absorber when the caster is rolling over rough or uneven surfaces. It also features a universal mount for wood or metal gates.

4 inch diameter black hard rubber wheel with 360-degree swivel and universal mount
Universal 1 inch x 4 inch mounting plate has 2 bolt holes and offers 1-3/4 inches of vertical spring travel
125-lb load capacity
Spring-loaded design promotes easy open and close and eliminates gate sag over time and across uneven surfaces
A great choice for leveling heavy or aging gates while promoting ease of use over questionable terrain