Harmonica model: SW24-12AProducts: harmonica 24 holes gambling double harmonica professionalTone: C and G keys between two sides, get this harmonica means you have two harmonicas: chrome steel chrome-plating silver colorBlock board: positive copperReed: fantastic sound copper reedPacking field size: size 18cm × width 6cm × peak 3cmPackaging: high-end plastic caseEatable grade frets make sure your health, so please don&;t fear