Sizing Chart
Diameter |
US |
UK |
14 mm |
3 |
f1/2 |
14.6 mm |
3.75 |
h |
15.3 mm |
4.5 |
h1/2 - i1/2 |
16 mm |
5 |
j - k |
16.5 mm |
6 |
l - l1/2 |
17.2 mm |
7 |
m1/2 - n1/2 |
17.8 mm |
7.5 |
o - p |
18.5 mm |
8.5 |
p1/2 - q1/2 |
19 mm |
9 |
r1/2 - s |
19.8 mm |
10 |
t1/2 |