Square Lazy Susan, 360-rotating Rolling, Turntable Bearings. Features: Made from Galvanized Steel, Surface Treated with Zinc Plated, Corrosion-resistant and Rust-proof. With the Size 4" Wide and 5/16" Thick, for Strength and Durability. 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 Turntable Bearings Use 1/4 Inch Balls for Efficient Operation and Maximum Stability of the Mechanism. It is Suitable for Using with Revolving Shelves in Corner Cabinets, Turntable Kaleidoscopes, Tabletop Serving, Pop Displays, Magazine Racks, Movie Poster Displays, Television and Computer Monitor Turntables, Flower Arranging, Cake Decorating, Revolving Musical Boxes Etc. Specifications: Material: Galvanized Steel Surface Treatment: Zinc Plated Color: As Picture Shown. Size: Approx. 72 X 72mm/ 3"x 3" 95 X 95mm / 4"x 4" 155x 155mm/6"x 6" Thickness: Approx. 0.8mm / 5/16inch Package Includes: 1 X Lazy Susan Turntable Bearing . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.