1.[1000 lbs Capacity Lazy Susan Bearing]Rotating Bearing Plate is made of 5/16' thick galvanized sheet, wear resistance, rust-proof and durable; it can hold up to 1000lbs, suitable for using with revolving shelves in corner cabinets, tabletop serving, Book case, shoe rack, pop displays, magazine racks, movie poster displays, television and computer monitor turntables, etc 2.[360° Turntable Swivel Base]Our swivel bearing design has a deeper race groove, encapsulating the balls more effectively and allowing them to move more smoothly and stability, and add a little grease before mounting to help them rotate more quietly 3.[Wide Application]Lazy Susan bearings is perfect for making rotating work station, rotating table, book case, serving tray, DVD tower, corner shelves, shoe rack, corner cabinets, storage solutions, chalk spinners, turntable kaleidoscopes, tabletop serving, pop displays, magazine racks, movie poster displays, television and computer monitor turntables, flower arranging, cake decorating, revolving musical boxes, tradeshow displays 4.[12inch Lazy Susan Bearing]You will get 4pack 12inch turntable bearings, ideal for organizing space and displaying product; diameter: 12', thick: 5/16'