The product is a set of three vintage Noelting Faultless ball bearing swivel industrial casters measuring five inches in diameter. These casters are designed for material handling in a business or industrial setting, providing smooth and durable movement for carts, dollies, or other heavy loads. With their ball bearing swivel feature, they allow for easy maneuverability and stability while in use. Perfect for vintage equipment or industrial applications requiring reliable and sturdy casters.