Item Type: Turntable Base_x000D_ Material: A3 Steel Plate_x000D_ Product Size: Approx. 156x156x20mm / 6.1x6.1x0.8in _x000D_ Uses: Suitable for Furniture Chairs, Bar Chairs, Office Chairs, Car Chairs, Display Racks, etc._x000D_ Gross Weight: Approx. 579g / 20.4oz 1HIGH QUALITY MATERIALS: Made of high quality materials, durable, sturdy and reliable, strong bearing capacity, not easy to be damaged and deformed. 2MULTIFUNCTION: Bearings with special structures have multiple functions such as rotation, transmission, and fixation. Excellent performance, can be used for a long time. 3EASY TO USE: The base of this freely rotating office chair is easy to use and install. Suitable for furniture chairs, bar chairs, office chairs, car chairs, display racks, etc. 4SUPER BEARING CAPACITY: Thicker cold rolled steel, super load?bearing capacity, full ball bearings, better distribution of weight and longer and more stable running rotation. 5PRODUCT SIZE: The rotating base of this bar chair is made of A3 steel plate, and the size is about 156x156x20mm / 6.1x6.1x0.8in.1 x Turntable BasePlease allow 0?1mm / 0?0.04in error due to manual measurement. Thanks for your understanding.