番数 直径(mm) 円周(mm)
13 40.8
13 1/3 41.9
13 2/3 42.9
14 44
14 1/3 45
14 2/3 46.1
15 47.1
15 1/3 48.2
15 2/3 49.2
10 16 50.3
11 16 1/3 51.3
12 16 2/3 52.4
13 17 53.4
14 17 1/3 54.5
15 17 2/3 55.5
16 18 56.5
17 18 1/3 57.6
18 18 2/3 58.6
19 19 59.7
20 19 1/3 60.7
21 19 2/3 61.8
22 20 62.8
23 20 1/3 63.9
24 20 2/3 64.9
25 21 66
26 21 1/3 67
27 21 2/3 68.1
28 22 69.1
29 22 1/3 70.2
30 22 2/3 71.2