... 19mm/ 22mm/ 25mm/28mm/30mm/35mm2. Material : Aluminium alloy , Iron 3. Color: as clients' requires 4. Surface dealing : electroplating ... Curtain Finial : 1. Material : Zinc alloy , Aluminium alloy , Iron , Resin , 2. Diameter : matching with curtain rod3. Color: as ... brass , antique silver ,nickel ) Curtain Rings : 1. Material : iron , plastic 2. Diameter : matching with curtain rod Curtain rod bracket ...