This EASY to use genuine JSP GTE kit will determine the karat value and purity of Gold, and Silver 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 ACCURATE! *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, silver, or platinum! This 10 Piece kit includes: - JSP 10K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP 14K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP 18K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP 24K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP Silver Testing Acid Solution 0.5 oz. (14 g) - JSP Platinum Testing Acid Solution 0.5 oz. (14 g) - GTE 2''x2" Large Test Stone with rubber backing to ensure non-slip desktop testing! Can be used for hundreds of tests. - GTE Acid Neutralizing Solution 0.5 oz. (Used for cleaning test stone between results) - (1) Large GTE Premium Bamboo Storage box. The 9 slot design will hold up to 8 bottles and 2- 2''x2'' stones, eye loupes and other tools. Dimensions of box (7 1/2'' x 3 1/4'' x 4'') This bamboo box is perfect for traveling and bringing to estate sales, thrift shops, and many other places! Essential for protecting and organizing your jewelry testing tools. Keeps acid vapors from escaping, extending their shelf life. - Easy to follow instruction booklet with color chart!