This EASY to use genuine JSP Nickel Testing Solution will detect Nickel with an accuracy up to 99.9%! Great for testing Jewelry, belts, buttons, watches, button, scrap, precious metals, bars, coins, and much more! Works for ANY metal! * This will NOT damage your item* Simply apply a few drops to a q-tip or cotton ball, rub it against your jewelry or item in question and watch the results appear! A positive nickel test will result in a pink colored result on your q-tip/cotton ball. SENSITIVE DETECTION - This nickel test kit (dimethylglyoxime nickel spot test) can detect the presence of nickel at a level as low as 10 ppm (parts/million). *Our goal is to make testing your jewelry ACCURATE, FAST, and EASY! *We promise that our solutions 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. MADE IN USA: You can trust this product to identify nickel before your skin has an allergic reaction! Each bottle is sealed to preserve the integrity of the product. If the tamper seal is damaged, the product is not returnable. *A MUST-HAVE for anyone who is allergic to Nickel or invests in precious metals! This 1 Piece kit includes: - JSP 15 ml (1/2 oz) Nickel Testing Solution Bottle