Gold/Silver Test Acid Tester Kit 10k 14k .999 .925 Sterling Testing Stone Detect

✔ Bullion & Bars. 14K Gold & Silver Testing Kit – Professional Jewellery Purity Testing Set. 14K Gold Testing Solution (0.5oz / 14g). Simply make a small mark on the testing stone. Reusable Testing Stone with Non-Slip Rubber Backing.