Bb Clarinet
opening in inches
42
44
45
46
47
48
50
54
55
56
58
60
65
68
71
Brilhart
2
3
4
5
Rico Royal
3
5
7
Meyer USA
4
5
6
7
8
9
10
Otto Link
4*
5
5*
6
6*
Vandoren
5RV
5RVL
B40
B45
B45.
B45L
5JB