PRODUCT DETAILSThis EASY to use genuine JSP Gold appraisal test kit is great kit to use to determine the value and authenticity of your jewelry, scrap, 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!This 6 piece listing includes: BUNDLE & SAVE$$- 1 JSP 10K Gold Testing Acid Solution 0.5 oz- 1 JSP 14K Gold Testing Acid Solution 0.5 oz- 1 JSP 18K Gold Testing Acid Solution 0.5 oz- 1 JSP 22K Gold Testing Acid Solution 0.5 oz- 1 2''x2'' Scratch Test Stone with rubber backing for non-slip desktop testing!- 1 Easy to follow instructionsA MUST-HAVE for anyone who invests in gold!If you have any further questions, please feel free to contact us. We look forward to serving you in the future.