10K, 14K, 18K Gold Testing Set with Needles Stone & Solutions, TEST-0013

This kit comes with the 10K, 14K & 18K solutions and the test stone. Full instructions are also included

Gold Test Kit 10K - 14K - 18K Solutions - Test Stone & Instructions

ToolTreaux 10K 14K 18K 22K Complete Gold Acid Testing Kit with Gold Testing Stone, 5pc

Gold Testing Kit 10k 14k 18k Solution Acids Scratch Stone Test Gold Authenticity

PuriTEST 10k/14k/18k Gold Test Acid Solutions Tester Kit Detect Metals Scrap Jewelry + PRO 2x2 Testing Stone : Arts, Crafts & Sewing

Osceola news-gazette

Gold Test Needles-Set of Five-10K-14K-18K-22K & .999 Silver This set of test needles has three different gold karats and one silver fineness

Gold Test Needles-Set Of Five-10K-14K-18K-22K & .999 Silver

Choose a karat needle, rub or scratch the needle against a test stone, and make a rubbing or scratch with the item to be tested next to it. Place a

5 Gold Test Acid Needle Set 8K 10K 12K 14K 18K Karat Scrap Jewelry Melting Gold

Stereophile January 2010, PDF, Audio Electronics

Eurotool Gold Test Needles, Set of 5 | TES-805.62