The Shepherd Hardware 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. Shepherd model # 3278 features a 4 inch diameter wheel, rigid plate mount, and a 600-lb load rating per caster.

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