RINGS

OHM Ring Size Inside Diameter (mm) Inside circumference (mm)
4 14.88 46.8
5 15.7 49.3
6 16.51 51.9
7 17.32 54.4
8 18.14 57
9 18.95 59.5
10 19.76 62.1
11 20.57 64.6
12 21.39 67.2
13 22.2 69.7

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