10K 14K 18K Gold .999 Silver Testing Needles Set for Testing Gold Purity Scrap Jewelry Ingot Bars Refining Melting Casting Tool by PMC Supplies LLC at India silver beads. MPN: GTN10-14-18-999. Hurry! Limited time offer. Offer valid only while supplies last. Needles are used with testing stones and testing acid solutions in order to determine the contents of gold and other metals. Includes a 10K, 14K, and 18K, plus a silver testing needle (4 total) stored on a convenient ring.Please contact us with any questions. Thanks for looking!Check the purity of your gold. Includes a 10K, 14K, 18K, and .999 silver testing needle. All stored together on a convenient ring.
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