Misura anello
Diametro interno (mm)
Circonferenza interna (mm)
10
15.9
50
11
16.2
51
12
16.6
52
13
16.9
53
14
17.2
54
15
17.5
55
16
17.8
56
17
18.1
57
18
18.5
58
19
18.8
59
20
19.1
60
21
19.4
61
22
19.7
62
23
20.1
63
24
20.4
64
