1.HEAVY-DUTY MATERIAL - The lazy susan turntable swivel base is made of high-quality galvanized steel with a silver and shiny surface, which is hard and sturdy, not easy to crack and rust, and has a long time. It has high stability and load capacity, allowing it to carry up to 330 lbs. 2.EASY TO INSTALL - This lazy susan bearing plate is equipped with pre-punched screw holes around the edges to reduce your heavy work. Just need to punch holes in the corresponding positions on the board to be installed and then use screws (not included) to fix the turntable on the board. 3.QUIETLY AND SMOOTHLY - You will get 4 lazy susan rotating hardware with 303mm diameter and 8mm thickness. Each has a ring of stainless steel ball bearings interior that are evenly stressed, provide stable support, and rotate smoothly at 360° to achieve efficient and low-noise operation. 4.WIDE RANGE OF USES - The 12-inch lazy susan turntable hardware is an ideal tool for home furnishings, organizing space, and displaying products. It can be widely used as a rotating basis for display stands, tables, chairs, serving trays, dressing stands, televisions, and more.