12 Holes 48 Tones Professional Chromatic Harmonica Mouth Organ And Professional Harmonica For Adults Player & Students

for plating anticorrosion, antifatigue with brighter tone. The multi-point design on the back side, more solid and The process. Fine printing design with enough hardness,it is not easy to deform with long for time playing. Thicken plate, 1mm metal plate makes the harmonica sound more clear and melodious. High hardness inflexion keys, solid and non deformation, switch to normal tone and chromatic, can for play complex music.