Check the listing for details. 4" Bar Stool Swivel Plate Rotation Lazy Susan Turntable Black 100x1mm. Color: Black, Condition: New. Listed at 14.16 USD. Description:Material - The square seat swivel base is made of metal with a smooth surface, good stability and impact resistance, good load-bearing capacity, not easy to rust or deform, and can be used for a long time360-Degree Rotation Smoothly - The lazy Susan turntable plate features ball bearings and full-circle track design, which ensures uniform force in all-round circular motion, and achieves 360-degree smooth, silent rotation, improving operation stability and flexibility while creating a quieter use environment for youEasy to Use - The seat swivel base mount plate is easy to use and can directly replace the old or worn bar stool swivel plate to restore it to smooth rotation. It is suitable for repairing or modifying unstable chairs.