Vandoren CM3018 Profile 88 5RV Lyre

5RV mouthpiece for Bb clarinet that was designed by Robert Van Doren and provides time proven standard for musicians worldwide. With its medium short facing, Profile 88 beak and tip opening of 106.5 (1/100mm), it provides an impeccable intonation, crisp and accurate articulation, and unrivalled response. It works best with Vandoren #3 to #4 reeds.