Feature: 1. This tremolo harmonica features 24 sound holes, double‑side key of C and G for professional performance. 2. The 18‑hole design on the surface makes the sound more penetrating, double‑row sound holes for clear and melodious sound. 3. Use stainless steel thicken cover plate, high hardness, double‑layer electroplating process, rustproof, more beautiful surface. 4. Adopts phosphor bronze gongs, with good resonance and full tone, with strong penetrating power, makes your playing more outstanding. 5. Thickened copper seating plate, the structure is more sturdy, while improving air tightness and performance. 6. The comb is made of resin, non absorbent, can ensure longer lasting use, high durability and safer to use. 7. The cover plate, seating plate, and resin comb are firmly fixed, not easy to loose, ensuring the stability of the harmonica. Specification: Item Type: 24 Hole Harmonica Material: Resin + Phosphor Bronze + Stainless Steel Color: Silver. Package List: 1 x Harmonica1 x Wiping Cloth