VERSATILITY IN TESTING: Comes with four keys for determining the quality of 10k, 14k, 18k gold, and silver. STANDARD SCRATCH TEST: Designed for use
ToolUSA Gold & Silver Testing Keys Set | Determine 10k, 14k, 18k Gold & Silver Purity | Essential for Standard Scratch Test
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10k 14k 18k 22K 24K Gold Silver Jewelry Test Kit Acid Box Precious Metals Stone
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Gold Silver Platinum Diamond Jewelry Tester Appraisal Kit 10K 14K 18K 22K 24K Electronic Scale Test 30X Eye Loupe Magnifier Precious Metals 999 925 Scrap
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JSP Gold Silver Jewelry Metals Testing Acid 10k 14k 18k Kit + Scratch – GOLD TESTING EQUIPMENT
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Gold Silver Jewelry Tester Appraisal Kit 10K 14K 18K 22K 24K Test for Sale in Queens, NY - OfferUp
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7 Piece Gold Testing Acid Jewelry Test Kit w/ Scratch Stone 10k, 14k ,18k ,22K, Platinum, Silver, and Scratch Testing StoneFresh from the Factory This
Gold Testing Solutions Kit 10k 14k 18k 22k Silver Platinum Scratch Stone