Projex 4 in. D Swivel Polyurethane Caster 600 lb 1 pk

Polyurethane Casters are extremely durable under heavy use and load ratings. The distinctive red treads are chemically inert, non-sparking, non-conductive, impervious to ozone, grease and most oils & solvents and will not mark floors. This model features a 4 inch diameter wheel, 360-degree swivel plate and a 600-lb load rating per caster.