Size Guide

INNER DIAMETER VSJ AUS/UK US/CA
14.9 MILLIMETRES H H 4
15.8 MILLIMETRES J J 5
16.6 MILLIMETRES L L 6
17.4 MILLIMETRES N N 7
18.3 MILLIMETRES P P 8
19.1 MILLIMETRES R R 9
19.8 MILLIMETRES T T 10
20.6 MILLIMETRES V V 11
21.4 MILLIMETRES X X 12
22.2 MILLIMETRES Z Z 13