... smelting, Spray painting, Flame plating, Oil injection and Oxidation (aluminum)Package:1 piece of tube has 6.0m length, and 20 ... outside packing.2. Decorative FinialMaterial:Iron, Aluminum Alloy, Zinc Alloy, Plastic, Crystal, Resin, WoodenDiameter:16, 19, 22, 25, 28mm etc. ... Oil injection and Oxidation (aluminum) Iron, Aluminum Alloy, Zinc Alloy, Plastic, Crystal, Resin, Wooden Curtain rod finial