STRONG STAINLESS STEEL MATERIAL: The rotating swivel plate is made from galvanized steel, treated with a zinc plating for corrosion resistance and durability, ensuring it can support substantial weight. 360 FLEXIBLE ROTATION: The ample beads within the square top and bottom plates allow for 360-degree rotation on pre-lubricated ball bearings, providing excellent flexibility for a turntable. ADVANCED DESIGN CONCEPT: The heavy-duty structural design features full round grooves that support various loads while minimizing friction, ensuring it is safe for use on tables. SPECIFICATION DETAILS FOR REFERENCE: 4 95mm x 95mm/4 x inch, 0.8mm thick square plate, with a load capacity of 50kg, making it suitable for assembling indoor or outdoor furniture and for crafting projects. PRACTICAL & MULTI-PURPOSE USE: Ideal for replacement in various stools, bar stools, chairs, boat seats, and compatible with revolving shelves in corner cabinets, turntable kaleidoscopes, tabletop serving, magazine racks, movie poster displays, and television and computer monitors.