Sure Gauge® XL Digital Pocket Gemstone Gauge
Our most popular, electronic pocket-sized digital gauge
Our most popular, electronic pocket-sized digital gauge. It provides the extra precision of 0.01MM you need and includes a gem weight estimating book, high-setting attachment and rubberized zippered carrying case. Used for estimating the weight of any shape diamond or gemstone (mounted or loose). Powered by (1) supplied LR44 (357) battery.