... : 0-25mm by 0.01mm Diamond Thickness Gauge,Diamond Gauge, Gem Gauge,Thickness Gauge, Digital Gauge,Jewelry Gauge, Jewellery Gauge,Measuring ... GaugesDiKai supply a professional range of the highest quality measuring gauges & calipers to allow you to have accurate appraisals, ease of ... 14.4mmMeasures in: 0-25mm by 0.01mmThis compact digital gem gauge is excellent for convenience and accuracy. Zero can be ...