RING SIZE LENGTH
5 1.943
5.5 2
6 2.045
6.5 2.1
7 2.15
7.5 2.2
8 2.25
8.5 2.3
9 2.35
9.5 2.4
10 2.46
10.5 2.51
11 2.56
11.5 2.61
12 2.63
12.5 2.71
13 2.76