3 inch and 4 inch bearing swivel made of galvanized steel ... , sofa swivel, chair swivel parts and so on. Detailed Product Description: 3 inch and 4 inch bearing swivel plate * bearing ... have round turntable, bearing swivel in 4 size, 5.5", 8",9" and 12"About US Run Rises Metal ... , functional sofa hinges. All these produts are adjustable and functional, to provide a great function of your furniture ...