Set of 4 plastic and metal casters, approximately 30mm in diameter. * Type: Casters * Quantity: Set of 4 * Material: Plastic and metal * Diameter: Approximately 30mm This is a new, unused item, but it has been stored at home by a private individual. Please refrain from purchasing if you are sensitive to this. As this is a private inspection, there may be oversights even though the item is unused. Thank you for your understanding.