We can supply you professional 12 kinds of special tune harmonica and do OEM we can supply you series of 24 hole special tune harmonica,such as A tone,A# tone,C tone,C# tone,G tone,G# tone,F tone,F# tone,E tone,B tone,D tone,D# tone harmonica.Product name: 24 hole Ti-coated harmonica Material: copper plate, stailess cover plate 24 hole Ti-coated harmonica with 12 special tune