ERAFINE Silver Testing Acid Kit - Accurate Testing for .500 to .999 Fine Silver | Includes Black Scratch Stone

• MOST ACCURATE RESULTS: Test .500silver to fine silver.999 with color changing formula.
• GENEROUS SOLUTION SIZE: Bottle contains 5ml of testing solution, providing enough liquid for dozens of tests on your silver.
• EASY TO USE: Comes with a premium test stone and clear instructions, enabling quick and simple testing of jewelry and scrap metals in the comfort of your home without professional equipment

Test Your Jewelry Metals Authenticity. Test you Silver from scrap metals! Single 5ml Bottle contains enough acid for dozens of tests and Black Scratch Stone. Do not touch to solution with bear hand, use wipes, towel, or cloth to wipe it. Keep out of reach of children