Krowne Metal 28-164S casters feature durable 3" polyurethane wheels designed for smooth mobility and stability. This set of four casters is equipped with metric threads, ensuring compatibility with a variety of applications. The polyurethane material provides excellent floor protection and reduces noise during movement, making them ideal for both commercial and residential use. With a robust construction, these casters offer reliable performance and ease of maneuverability, enhancing the functionality of your equipment or furniture.