Iron-core pu caster 8*2 inch 1,swivel top plate ,pu&iron wheel ... 3,steel thickness 5.5mm or 6mm Iron core pu caster 8*2 inch with brake1,swivel top plate ,pu&iron ... ,steel thickness 5.5mm or 6mmFeatures:1) Heavy duty industrial caster with cast iron molded PU wheel2) Swivel, rigid, swivel with ... x 50, 200 x 50mm 8 inch Iron-core pu caster with brake