Digital Electronic Gold Purity Tester, Gold Density Meter, Gold Purity Content Detector, Precious Metal Testing Kit For Jewelers, Pawnshops, Precious Metal Dealers 200K(1200K)

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AU-1200K Digital Gold Tester , Electronic Gold Karat Tester Reliable Quality

Digital Gold Purity Tester High Precision Density Meter Electronic Precious Metal Analyzer For Gold Silver Platinum(1200K)(300K)