PRODUCT DETAILSThis EASY to use genuine PuriTEST 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 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, silver, or platinum!This 9 Piece kit includes:- PuriTEST 10K Gold Testing Acid Solution 0.5 oz. (14 g)- PuriTEST 14K Gold Testing Acid Solution 0.5 oz. (14 g)- PuriTEST 18K Gold Testing Acid Solution 0.5 oz. (14 g)- PuriTEST 22K Gold Testing Acid Solution 0.5 oz. (14 g)- PuriTEST Silver Testing Acid Solution 0.5 oz. (14 g)- PuriTEST Platinum Testing Acid Solution 0.5 oz. (14 g)- PuriTEST 2''x2" Test Stone with rubber backing to ensure non-slip desktop testing! Can be used for hundreds of tests.- PuriTEST N35 Neodymium Rare Earth Magnet (Magnets strongly attract materials (like iron) which already themselves have magnetic domains. They do not significantly attract many metals like gold, aluminum, silver, and even some types of high-chromium stainless-steel, which lack such domains. In fact, pure gold is slightly repelled) - Ni+Cu+Ni Triple Layer Coated. The Best Coating Available, which Provides a Shiny and Rust Resistant Protection for the Magnets.POWERFUL MAGNETS - Made of Strongest Magnetic Material! Strong Holding Power, 200lb Holding Power per Magnet with Direct Touch and Direct Pull.WARNING - The bar magnet is very fragile, it is forbidden to collide with other metal objects (including another magnet), so be careful when you are trying separate them!- 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.