4 Gold Silver Platinum Jewelry Tester Scratch Streak Stones Acid Testing 14K 18K

These EASY to use genuine lot of 4 GTE Acid Scratch Test Stones are a convenient tool to use with testing acids to determine the karat value and purity of Gold, and Silver Jewelry, scrap, bars, coins, and much more! Simply scratch the test stone ...

Price: 15.81 from Bonanza Global