Gold and Silver Test Needles Sets
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Used with test stones and testing solutions to determine the contents of gold and other precious metals.
Test Needles
Used with test stones and testing solutions to determine the contents of gold and other precious metals.
Test Needles
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Set of 3 (Includes: 10K, 14K, 18K), Set of 4 (Includes: 10K, 14K, 18K, Silver) |
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