Casters are available in the following materials: Black Rubber, blue rubber, Grey rubber, Cast iron tyre, Nylon tyre, Orange Polypropylene Tyre, Phenolic Resin Tyre, Polyamide Tyre, Polypropylene Tyre, Polyuethane Tyre, Polyurethane Tyre, Steel Tyre, Vulkollan Tyre, White Polypropylene Tyre, Yellow Polyurethane
