Product Material: Galvanized iron<br> Ball Material: Nylon<br> Ball Diameter: 16 mm (0.63 inch) or 25 mm (1 inch)<br> 16 mm Dimensions: 48 x 32 x 20 mm (L x W x H)<br> 25 mm Dimensions: 75 x 50 x 30 mm (L x W x H)<br> Package Includes:<br> 4 x Roller transfer units<br> 8 x Screws<br> - The package includes 4 nylon furniture casters, 8 screws, and a round ball transfer with 16 mm or 25 mm diameter. The design allows for compact installation with two screw mounting holes.<br> - Constructed from galvanized carbon steel for enhanced durability, offering resistance to scratches, corrosion, and rust.<br> - Features a 360-degree rotating ball for smooth, effortless movement, enabling easy handling of goods and improved efficiency. Each caster supports up to 15 kg, suitable for a wide range of applications.<br> - Precision polished surface ensures quiet and smooth operation with minimal noise during movement.<br> - Ideal for both household and industrial use, compatible with furniture such as sofas, cabinets, shelves, and appliances, as well as machinery including conveyors, packaging systems, and processing equipment.