Our Richohome swivel bearing has a deeper ball raceway to allow balls to move effectively and smoothly. Perfect 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: Type: Round Lazy Susan Swivel Color: Silver Thickness: 5/16” Material: Galvanized Steel Package Includes: 2 x 12" Rotating Swivel Turntable Plate Heavy Duty Lazy Susan Bearing: Made of premium galvanized steel, the round Lazy Susan hardware is corrosion resistant and can hold up to 350 pounds. 360 Degree Rotating: The Lazy Susan disc can be rotated 360 degree freely and without boring noise. Round shape with ball bearing raceway, spin with ease and fits anything, ideal for turn wood rounds, squares, trays or boxes into a Lazy Susan. Easy to Install: Every swivel base has pre-punched screw holes for the inner and outer rings for quick installation. DIY Applications: Whether you are a professional custom furniture studio or simply an arts crafts enthusiast, you now have a quality product that will turn quietly and freely for years to come. Use them for revolving shelves in kitchen cabinets, planters, serving platters at the table, even large tabletops. Package Includes: 2 x 12" Lazy Susan Ball Bearing Turntable; Size 12” diameter x 5/16" thick, heavy duty turntable suitable for 15”-30” Diameter work surface, Mounting screws not included.