Caster, Caster Wheel, Cast Iron Wheel manufacturer / supplier in China, offering 1′′ 1.5′′ 2′′ 2.5′′ 3′′ PP/Rubber/PU/Cast Iron/Nylon Light Duty Caster, Any Size Colour Sumpermarket PU/PP/Rubber Plastic Wheel for Trolley Caster Wheel, Small Rubber Bumper Corner Use to Trolley TPR Bumper and so on.