Features: Brand new and high quality Made of high-quality galvanized sheet, corrosion-resistant, rust-proof, wear-resistant and durable. Ball bearing raceway for smooth rotation. Our swivel bearing has a deeper ball raceway to allow balls to move effectively and smoothly. All of our carousel swivel bearings use metal balls for efficient operation and maximum stability of the mechanism. Round shape, 4 different diameters (5.5\"/8\"/9\" /12\") of our turntable bearings can be selected, with characteristics such as robustness, durability and high stability. It is suitable for use with rotating shelves in corner cabinets, turntable kaleidoscopes, table arrangement, for pop displays, magazine racks, film poster displays, TV and computer screen turntables, flower arrangements, cake decoration, rotating music boxes, etc. Specifications: Material: Iron Galvanized 12 Inner Diameter: Approx. 16cm/6.3inch 12 Outer Diameter: Approx. 33cm/12.99inch 5 Inner Diameter: Approx. 6.4cm/2.52inch 5 Outer Diameter: Approx. 13.8cm/5.43inch 8 Inner Diameter: Approx. 10.2cm/4.02inch 8 Outer Diameter: Approx. 20.5cm/8.07inch 9 Inner Diameter: Approx. 11.3cm/4.45inch 9 Outer Diameter: Approx. 22.8cm/8.98inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1x Turntable Swivel Base