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Durable Materials: The diamond tester is made of chrome-vanadium alloy steel and ABS insulating plastic, which is wear-proof, durable and hard.
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Diamond Tester,High Accuracy Jewelry Diamond Tester,Jewelry Gem Tester Pen, Portable Electronic Diamond Checker Tool,Professional Diamond Selector for Novice and Expert(Battery Included)
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Diamond Tester Pen, High Accuracy Jewelry Diamond Tester, Professional Jewelry Diamond Selector High Precision Jeweler Diamond Tester, Diamond Selector II V2
Diamond Tester,High Accuracy Jewelry Diamond Tester,Jewelry Gem Tester Pen, Portable Electronic Diamond Checker Tool,Professional Diamond Selector for Novice and Expert(Battery Included)
Diamond Tester,High Accuracy Jewelry Diamond Tester,Jewelry Gem Tester Pen, Portable Electronic Diamond Checker Tool,Professional Diamond Selector for Novice and Expert(Battery Included)