Selby Automatic Flat Spring Return Bar Stool Swivel, 8 in. is a robust and reliable swivel mechanism designed specifically for chairs and bar stools. Built with heavy-duty materials such as heavy steel plates and oversized ball-bearing raceways, this swivel ensures long-lasting durability and consistent performance. Its extra-strong spring motion s a smooth and automatic return to the 180-degree position every time. With a weight capacity of 300 lbs, it comfortably supports most users. The swivel features an 8-inch square shape with hole centers spaced 7 inches apart and is available in both flat and tilt styles to meet your specific requirements. Model Number: X488U