Mouthpiece facing Alto
4 | < | .072 inch / 1.83 mm |
5 | .072 inch / 1.83 mm | |
6 | .075 inch / 1.90 mm | |
7 | .080 inch / 2.03 mm | |
8 | .085 inch / 2.16 mm | |
9 | > | .085 inch / 2.16 mm |