This kit includes 1 bottle of JSP 14K Acid solution, 1 bottle of JSP Silver Acid solution, and 1 2x2 Acid Test Stone. This kit is used to verify the gold and silver content in items! Apply a drop of this solution to a small sample of the item to be tested If the sample disappears, then the item is below the karat of the solution Each bottle weighs 0.5 oz This solution works for testing any gold which you believe to be 14K and Silver pure. Acid changes color based on purity. Very easy to use--instuctions included. Ideal for testing jewelry, coins, antique gold, silver, and sterling collectibles, and more! All products are brand new and sealed, never opened! FREE GIFTS: 5 Gram .999 Gold Clad Test Bar & 5 Grain .999 Silver Test Bar
