Description: It has two mounting plates, one for attaching to a stable surface and another is to provide a rotating turntable. The size is 4"wide and 5/16" thick for strength and durability. Surface treated with zinc plated, corrosion-resistant and rust-proof. It is suitable for using with revolving shelves in kitchen cabinets, planters, serving platters at the table, and large tabletops etc. Specifications: Condition: 100% Brand New and High Quality Material: Galvanized Steel Surface Treatment: Zinc plated Color: As picture shown. Size: Approx. 95 * 95mm / 4 * 4 inch  Thickness: Approx. 0.8mm / 5/16inch Package Includes: 1 x Turntable Bearing Please Note: 1. Please allow 1-3mm errors due to manual measurement  2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Features Galvanized Steel:These bearings are made of durable metal, galvanized, no rust, no corrosion, strong, with good tolerance, keep quiet and smooth, meet the load-bearing function, there are enough beads inside to meet the turntable The need is in terms of flexibility. 360° Flexible Rotation:The turntable bearing has the characteristics of flexible rotation. There's enough beading between the square top and bottom plates to allow 360-degree rotation on greased fairways for your daily needs. Connecting Bearings:The rotating base has bearings connecting two square mounting plates, one is used to connect to a stable surface, and the other is used to provide a rotating turntable for 360-degree rotating display of goods. Low Noise:This swivel display swivel plate is perfect for many stools, bar stools, chairs and boat seats, kayak seats, murphy beds, swivel stands and more. Long service life, not easy to deform and crush, low noise. Universal:Square turntable bearings are used for assembling furniture, DIY your own interior decoration, homemade machines and other ideas, suitable for homes, offices, factories, etc.