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Part # Metal 342-887 Yellow Gold Filled 344-887 Sterling Silver
No flux is required in a bottom-pour automatic casting unit
a Gemstone Estimator that identifies unknown stones from entered measurements and weight
Gold Test Needles-Set Of Four-10K-14K-18K & .999 Silver Diamond Power Hone Speed Range 0–30Gold 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
