... steel and so on(clients colors are available)Diameter1mm,1.5mm,2mm,2.5mm,3mm,3.5mm or ... requirements.SpecificationAccording to customers drawing or sample Surfacetreatmentanodizing, etc.1.high-lumincance color2.anti-scratch,anticorrosion3.high brightness,hardness ... and outer box for deliveryOr as per customers requirementsCharacters 1.Anticorrosion resistance, high weather resistance and good wear ...