... T5 or T6 3aaSurface treatment:mill finish, anodizing slver/champagne/bronze/gold, elect Aluminium profiles:1,Alloy: 6063 or 6061.2 ... :mill finish, anodizing slver/champagne/bronze/gold, electrophresis silver/champagne/bronze/gold, polishing, sand blast 4,Colors:silver white, bronze, champagne, black, gold and ...