Vandoren SM711 AL3 Optimum Series Alto Saxophone MouthpieceThe conception of this series was the fruit of research on both external shape (particularly the beak) and sound, in order to meet the needs of today"s saxophone players. With its exceptional roundness, the AL3 is the ultimate classical mouthpiece. With its exceptional roundness, the ultimate classical mouthpiece Tip Opening 152 (1 100mm) Medium Long Facing Works best with Vandoren #2. 5 #4 Reeds