This EASY to use genuine JSP GTE test kit will determine the karat value and purity of Gold and Platinum Jewelry, scrap, bars, coins, and much more! Simply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear! *Our goal is to make testing your jewelry FUN, FAST, and EASY! *We promise that our acids are guaranteed to be FRESH! *Each bottle will test hundreds of times! *These small bottles are perfect for traveling with or carrying in a purse or briefcase. Quick easy to use; instructions included. *A MUST-HAVE for anyone who invests in gold and platinum This 9 Piece kit includes: 1 Bottle of - JSP 9K Gold Testing Acid Solution 0.5 oz. (14 g) 1 Bottle of - JSP 10K Gold Testing Acid Solution 0.5 oz. (14 g) 1 Bottle of - JSP 14K Gold Testing Acid Solution 0.5 oz. (14 g) 2 Bottles of - JSP 18K Gold Testing Acid Solution 0.5 oz. (14 g) 1 Bottle of - JSP 22K Gold Testing Acid Solution 0.5 oz. (14 g) 1 Bottle of - JSP Platinum Testing Acid Solution 0.5 oz. (14 g) 1 - GTE 3''x6'' Test Stone with rubber backing for non-slip desktop testing! Easy to follow instruction booklet with color chart! If you have any further questions, please feel free to contact us. We look forward to serving you in the future.