The Buffet Bb Clarinet R-13 Barrel is a revolutionary addition to the world of clarinets. With its traditional, cylindrical bore, this barrel is the standard equipment for the most popular clarinet in the world. Its design allows for an open and bright sound, making it a favorite among musicians worldwide. Whether you are a student or a professional, the Buffet R13 barrel is an excellent choice for enhancing your clarinet playing experience. With its innovative design and superior sound quality, this barrel is a must-have for any clarinet player.