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20 Millimeter Gauge

Product ID: GAU-146.20
Regular Price: $29.95

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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. This gauge is compact and fits neatly into pocket or purse.

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