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20mm Gem Gauge

SKU# 355.0564


This handy gauge, known as a pearl gauge is excellent for stones of all kinds. Its smooth action assures accuracy. This gauge is made to zero out when closed and open automatically. This assures a gentle force by the user when measuring soft stones or pearls. The dial features zero adjust and is accurate to 0.1mm. Maximum opening 20mm. Packaged in protective hard case.


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