Gold and Platinum Tester GK-300 - JewelleryNet

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Simple to use and in seconds provides accurate results showing both the digital karat value and gold percentage., Test all colors of gold from 6K to

Digital Gold and Platinum Tester

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Alfa Mirage Japan GKS-3000 Gold Platinum Precious Metal Tester High Accurate Jewelry Density Checking Machine

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Alfa Mirage GK-300 Precious Metal and Specific Gravity

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