Features: Upgrades your swivel chairs and bar stools with this heavy duty iron swivel plate, designed as a reliable replacement part for broken tilt control mechanisms or worn out bases. with a sturdy 135mm/160mm diameter iron construction, this swivel base mount plate ensures stability, height adjustability, and long lasting performances for simple chair movement. Ideal for homeowners, office managers, and commercial spaces needing to refurbish swivel chairs, bar stools, or computer chairs with strong , easy to install components. Perfect for maintaining ergonomic seating in home offices, game rooms, salons, or study areas where smooth swivel motion and steady chair bases essential. simple furniture repairs using this universal swivel plate replacement, compatible with most chairs to restores functionality without replacing entire seating units. Specifications: Material: Metal Diameter: about 13.5cm/16cm(optional) Package Includes: 1xPlate Base note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.