Materials and Complete Durability. Ball Bearings Using in Joint Bring a Max Loading Capacity and Long Working Live. Ideal for a Huge Variety of Uses from Diy to Industrial Applications (Home, Schools Shops) Widely applicable scenarios: Suitable for warehouses, factories, hospitals, supermarkets and other places. Easy Installation: Designed for quick and simple installation, these castor wheels offer long-term durability, ensuring they stay securely attached and perform smoothly over time.