Size Guide

 
 

Printable size chart here

DIAMETER


15- 15.5mm

16 - 16.5mm

17 - 17.5mm

18 - 18.5mm

19 - 19.5mm

UK SIZE


I - J

K 1/2 - M

N - O 1/2

P 1/2 - R

S - T

US SIZE


4 1/4 - 4 3/4

5 3/8 - 6 

6 1/2 - 7 1/4

7 3/4 - 8 1/2

9 1/8 - 9 5/8