<br>304 stainless steel cover sheet: 304 stainless steel material, through the complex cationic plating process is not easy to fade, the surface is smooth and textured, give people face, self-study can be collected.
<br> advanced phosphor bronze gong: hand-made spring, spot welding refinement, and tightly combined with the copper base, so that the harmonica sound quality is pure and beautiful, pure sound quality.
<br> double row with red blowing hole: double row blowing hole design, can effectively control the suction airflow, so that the harmonica sound is more full layer.
<br> multi-point support, good air tightness: use 10 screws plus 2 screws to fix the cover, a total of 12 screws fixed, making the overall structure more robust, to ensure the airtightness of the harmonica.