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Size guide

Home | Size Guide
INTERNAL DIAMETER IN MM US UK EUROPE BRAZIL
15.1
4.25
1
46.5
10
15.4
4.75
I 1/2
48.5
11
15.75
5
J 1/2
49
12
16.1
5.25
K 1/2
50.5
13
16.3
5.75
L
51
13.5
16.4
51.5
14
16.5
6
L 1/2
52
14
16.75
M
15
16.9
6.5
M 1/2
53
15.5
17.15
6.75
N
53.5
16
17.3
7
N 1/2
54
16.5
17.5
7.25
O
55
17
17.9
P
56
18
18.2
8
P 1/2
57
19
18.5
8.5
Q 1/2
58
20
18.8
R
59
21
19
9
R 1/2
59.5
21.5
19.2
S
60
22
19.4
9.5
S 1/2
61
22.5
19.6
T
23
19.8
10
T 1/2
62
24
20
U
62.5
24.5
20.2
10.5
U 1/2
63
25
20.4
V
64
25.5
20.6
11
V 1/2
64.5
26
20.9
65.5
27
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