... painting, Flame plating, Oil injection and Oxidation (aluminum)4. RingMaterial:Iron, PlasticDiameter:16, 19, 22, 25, 28mmetc.Color:Antique-brass, Antique-copper, Satin-nickel ... , Electric smelting, Spray painting, Flame plating, Oil injection and Oxidation (aluminum)5.Hook Material:Iron, AluminumColor:Antique-brass, Antique-copper, Satin-nickel, Matte-nickel ...