Give your chairs smooth 360° rotation with these heavy-duty swivel plates! Made from durable iron with black coating, each 6-inch plate supports up to 175 lbs and features solid ball bearings for quiet, smooth spinning. Perfect for replacing worn-out swivels on bar stools, recliners, boat seats, or display stands. The 0.92-inch height and 4.88-inch mounting hole distance fit most standard chairs. Installation is straightforward - just secure the plate between your chair base and seat. Package includes 2 swivel plates. Whether you're updating your home bar, boat seating, or office furniture, these swivels provide reliable rotation that lasts.