Vestil Cst-G80-6X2Pu-S Polyurethane Swivel Caster 6″ Diameter X 1-3/4″ Width 308-550 Lb. Capacity, Yellow/Black

These engineered casters are one of the only in the market specifically designed for spring-loading and towing applications. Its high-performance polyurethane is abrasion resistant and tolerates longer distances, while providing great absorption. The state of the art radial bearing allows for smooth operation for towing applications, while the springs provide extra support for sensitive product.