GTE 2''x2'' Small Premium Black Scratch Touchstone for Acid Gold Silver Platinum Jewelry Testing

This EASY to use genuine GTE testing scratch touch stone will determine the karat value of gold, silver, or platinum while checking if it is real or fake while using the testing acids. This kit includes: - GTE 2''x2'' Premium Test Stone with rubber backing for non-slip desktop testing! A MUST-HAVE for anyone who invests in Gold, Silver, or Platinum! EASY TO READ INSTRUCTION MANUAL INCLUDED! SIMPLE STEPS: 1. Scratch the jewelry piece to be tested over the surface of the testing stone —press firmly, leaving a visible deposit, preferably a line 1'' long. 2. Add a drop of the test solution which you believe is the carat of your item, to the scratched area. 3. Compare your results with the chart included to determine what the metal is! These kits are fun, fast, and reliable! *Note: Solutions sold separately.