Support Surface Material The Furniture Ball Bearing Seat features a robust support surface made from galvanized iron and nylon. This construction provides resistance to scratches, corrosion, and rust, ensuring durability and stability. Package & Size Each package includes 6 ball casters, each equipped with a 16mm diameter ball bearing roller, along with 12 screws of the same size. All components are conveniently stored in plastic boxes for easy organization. Installation Details The transmission bearing is designed with two screw holes, with a 4mm diameter for the installation holes. Simply use the provided screws to secure the nylon ball conveyor to the desired items. Performance Each caster has a maximum load capacity of 15kg, making them suitable for a variety of items. The ball casters can rotate 360 degrees, offering excellent maneuverability in any direction. Applications These versatile ball casters are ideal for moving various objects including: - Sofas and display cabinets - Trolleys and shelves in kitchens - Appliances and cabinets They are also perfect for use in transmission, feeding, processing, and packing systems within industrial applications. Key Benefits - Durable construction with rust and corrosion resistance - Easy installation and storage solutions - High load capacity with smooth 360-degree movement - Versatile use across furniture and industrial applications