Product details:

Hohner 54/64 Double Sided Echo Harp Harmonica32 holes, 64 reeds with wooden combFor more than a century, these Hohner 54 double-sided harmonicas have been a player favorite. Two keys are available on each individual instrument. The Echo's 54 Double Sided Harmonica precision tuned reeds create a beautifully blended vibrato tone.Available in keys of C-G only. The classic Hohner 54 double sided tremolo-tuned harmonica - all models in this series consist of two instruments in one. The opposing keys are always tuned a fifth apart.