Circunferência interna
EM
1.74
1.79
1.84
1.89
1.94
1.99
2.04
2.09
2.14
2.19
2.24
2.29
2.34
2.39
2.44
2.49
2.54
2.59
2.65
MILÍMETROS
44.2
45.5
46.8
48
49.3
50.6
51.9
53.1
54.4
55.7
57
58.3
59.5
60.8
62.1
63.4
64.6
65.9
67.2
EUA e CANADÁ
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
Reino Unido
F
G
H 1/2
I 1/2
J 1/2
K 1/2
L 1/2
M 1/2
O
P
Q
Q 1/2
R 1/2
S 1/2
T 1/2
U 1/2
V 1/2
W 1/2
Y