Vandoren Traditional M30 Lyre Bb Clarinet MouthpieceThe M30 Lyre clarinet mouthpiece is similar to its 5RV counterpart. The biggest difference between the two is the M30 Lyre's larger tip opening and longer facing. This gives the mouthpiece Lyre an exceptionally great quality of tone and sound along with flexibility and roundness. The M30 Lyre has a 113. 5mm tip opening and a long facing Vandoren mouthpieces are known for their high, uniform quality, among the best of the mass produced, and are