Body Jewelry Wheel Gauge Tools - Finally, there's a body jewelry wheel gauge designed with piercers in mind! We created and manufactured it... and it's finally here! Our body jewelry wheel gauges measure jewelry from 18g up to 1" in size. A jewelry wheel gauge with that range has never been available before now. Get rid of your old wire gauge tool and replace it with this easy-to-read, easy-to-use, one-of-a-kind body jewelry wheel gauge. With this jewelry measuring tool in hand, you'll be equipped to help clients determine the size of their current jewelry so they can buy new jewelry in the right gauge.