Clarinet Musical B flat clarinet instrument beginner grading test adult instrument 17 key B flat tune hard rubber

Hard rubber tube body material durable surface treatment not easy to age long service life. The needle spring is not easy to rust good elasticity not easy to break not easy to deform durable. 17 key B flat tune hard rubber tube body opening error free overall sound quality is good. 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.