Published by on 11/08/2026 This EASY to use genuine JSP & GTE kit will determine the karat value and purity of 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 silver! This 5 Piece kit includes: - (3) Bottles of JSP sealed Silver Testing Acid Solutions 0.5 oz. - GTE 2''x2'' Test Stone New in Box with Rubber backing to ensure non-slip desktop testing! - Easy to read and follow instruction booklet! These small bottles are perfect for traveling with or carrying in a purse or briefcase. Quick & easy to use; instructions included.