Clarinet Musical 17 keys Clarinet instrument B-flat clarinet Dark Sound with very even

17 keys Clarinet instrument B-flat The adjustable thumb rest can adjust the angle of the instrument according to the player's hand shape to avoid playing fatigue. Built-in tuning ring exquisite workmanship rich tone good sound quality gorgeous appearance Hand-polished adjustable rich tone not easy to deform good tightness bore design It brings stable, and rich sound to the tube body。 air-tight seal against the tone holes,make sure that every pitch is perfectly rendered.