... .gold,Nickel or Chromate plating 3.ISO9001:2008 Elliptical End Pins,guitar end pins,guitar pinsWe provide the product by our customer ... ,machinging,drilling,etcSurface treatment:Polishing, chrome/zinc/nickel plating,power coating, natural anodization, galvanizing, satin, etcFile Formats:Pro/Engineer, SolidWorks, Unigraphics ...