Size Guide

Inch measurements on the chart are derived from centimetre body measurements and are rounded to the nearest quarter inch.

UK ring SizeINSIDE DIAMETER
(mm)
INSIDE DIAMETER
(ins)
INSIDE CIRCUMFERENCE
(mm)
INSIDE CIRCUMFERENCE
(ins)
Small - K1/2160.6350.271.98
Medium - N16.920.66653.162.09
Large - P1/217.970.70756.452.22
X Large - S19.10.752602.36

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