Casters are made of durable rubber (TPR) and metal, wear-resistant and durable. The wheels made of rubber are not easy to damage the wooden floor. In addition, the 360° conversion bracket is easy to move and silent. Each wheel has a load capacity of approximately 27kg/60lbs, with a maximum load capacity of 108kg/240lbs for 4 wheels. The casters are equipped with U-shaped brackets, which can better play a fixed role and ensure the stability of the safety. Widely used in various furniture, such as dressers, beds, shoe cabinets, cabinets, bookcases, flower stands, etc. Package includes 4pcs swivel casters with brake, 4pcs screws and 4pcs nuts. Material TPR, Metal Each Wheel Load Capacity 27kg/60lbs Wheel Diameter 50mm/2inch U-clamp Inne.