The M30 is a very flexible clarinet mouthpiece from Vandoren designed to produce sonority similar to the B40 mouthpiece but with easier sound production qualities.Vandoren mouthpieces are known for their high, uniform quality-among the best of the mass produced-and are especially popular among clarinetists. The Vandoren line is extensive. It covers all woodwinds and offers designs suited to a variety of playing and musical styles. Like a 5RV Lyre but with a larger tip opening and longer facing. This mouthpiece guarantees flexibility and roundness, and it has an exceptional sound quality. Tip opening: 1.135mm. Facing length: Medium-Long. Ligature and cap sold separately.