Both the Ring Stick and Finger Gauge
are great tools for measuring ring sizes.
The set of flat plastic finger gauges
measures the size of fingers in American sizes. Each of the 29 finger gauges is
marked with its size. Sizes range from US size 1 (12.37mm) to US size 15
(23.9mm) and come on a steel ball chain, and can easily be taken off or
rearranged. Each gauge is 3.5 mm wide and very sturdy.
sturdy plastic ring stick is perfect for sizing rings from 12.37mm (US size 1) to 23.8mm (US size 15). It has 1/4
size increment markings etched into the side It is grooved for accurate
measurement of plain and stone-set rings. It has a plastic handle with a hook
for easy storage. Overall length is 12.25” (31.1 cm).