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Matched 17° round punch
083 in) BAU118
040") Post Compatibility 1
A central storage cup adds space for frequently used hand tools
Gold Test Needles-Set Of Four-10K-14K-18K & .999 Silver Dapping Tools Matched 17° round punchGold test needles are an essential tool for jewelers performing acid based metal testing. This set of four needles covers three gold karats 10K, 14K, and 18K plus . 999 fine silver, giving you a reliable reference for the most commonly tested metal finenesses. To use, select the appropriate karat needle and rub or scratch it against a test stone. Make a corresponding scratch or rubbing with the item being tested alongside the needle mark. Apply a drop
