PRODUCT DETAILS This EASY to use genuine JSP test kit will determine the karat value and purity of Gold and Silver Jewelry, scrap, bars, coins, and much more! *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 silver! This 4 Piece kit includes: - JSP 10K Gold Testing Acid Solution 0.5 oz. - JSP 14K Gold Testing Acid Solution 0.5 oz. - JSP Silver Sterling Testing Acid Solution 0.5 oz. - Easy to read and follow instructions! *Note: There is no test stone included. Test stones are recommended to prevent damage to jewelry. If you have any further questions, please feel free to contact us. We look forward to serving you in the future.