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. 95 * 95mm / 4 * 4 inch Thickness: Approx. 0.8mm / 5/16inch Package Includes: 1 x Lazy Susan 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. Thank you for coming my store, wish you have a good shopping experience here. YRshop welcomes you!!!