Size Guide

Measure the diameter of a ring you have on a ruler
and those millimeters inside will be your size.

IMPORTANT THAT THE RULER IS RIGHT IN THE MIDDLE OF THE CIRCUMFERENCE OF THE RING.

MILLIMETERS SIZE
17.1 mm - 17.4 mm 14 - 15
17.8 mm - 18.0 mm 16 - 17
18.4 mm - 18.7 mm 18 - 19
19.0 mm - 19.3 mm 20 - 21
19.6 mm - 20.0 mm 22 - 23
20.3 mm - 20.6 mm 24 - 25