Vandoren CM1007 Bb Clarinet Mouthpiece Black Diamond BD7The Black Diamond Ebonit Mouthpiece has a new interior and exterior design. These developments provide the musician with a full and sonorous sound with a distinguished range of colours, especially in the upper register of the clarinet. A slightly larger web opening gives this mouthpiece a voluminous sound based on the full, focused tone of the BD5 mouthpiece. Instrument: Bhm Clarinet, System: Bhm Material: rubber. Tip opening: open Chamber: Standard