Black Lacquer Baked and Full Solid Steel Ball Bearing Square Swivel Plate,Chair Swivel, Swivel Turntable 1.Swivel plate, barstool swivel plate, bar chair part 2.It is utilized in chairs for 360°freely rotation3.Standard 6 Inch 8 Inch 10 Inch 12 Inch 13 Inch4.Surface medicine in black lacquer baked5.Material A3 metallic plate7.Full steel stable balls8.Easy to install9.EP Package