Highlight 1.Small size, strong, stable and rotatable. 2.These durable small swivel chair casters can be used for a variety of small or large projects, including mobile furniture, dressing tables, refrigerators, air conditioners, tables, etc. 3.Low noise and sturdiness: the upper and lower raceways are equipped with high-quality rotary bearings. This makes the roller rotate 360 degrees smoothly, quickly and quietly. 4.Floor-friendly: These floor-friendly soft rubber casters extend the life of your floor. The floor is not affected by scratches, and the carpet is not abraded. 5.The rotating castor with brake can easily move on any surface. Detailed Material: stainless steel Size: 6.5 x 4.5 cm Diameter: 32 mm Board size: 39 x 33 mm Total height: 43 mm (Due to manual measurement, there will be an error of 1-3 mm.) Capacity: 50 kg (12.5 kg per piece) Parts List: 4 x Leakage rollers with brakes 16 x Screws Heavy-duty casters for furniture: heavy-duty casters that can rotate 360 degrees. Stable, quiet and strong. No traces on the floor: TPE soft rubber casters provide the elasticity of rubber wheels and the toughness and durability of metal wheels. Suitable for all floor types Convenience: The package comes with 4 furniture wheels with brakes and 16 easy-to-install screws Multiple uses: These push wheels are very suitable for a variety of uses from DIY to industrial applications. Application: Mobile casters can be used in homes, schools, garages, shops, trolleys and hospitals; coffee tables, plant shelves, bookshelves, shoe cabinets, toy boxes, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.