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. Made from galvanized steel, the Rotating Base Display surface is treated with zinc plated, corrosion-resistant and rust-proof. Ball bearing raceway for smooth rotation. Our rotating bearing has a deeper ball raceway to allow balls to move effectively and smoothly. With the size 4" wide and 5/16" thick, Base Rotating Display for strength and durability. 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 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.