Description: Package Included: Gold testing set, included 1pcs gold testing stone or 1pcs 3ml gold testing water(as you choose) Special Functions: This jewelry gold testing tool is used to verify the gold content in items, works for testing Gold which you believe to be 10k, 14k, 18k, 22-, and pure Testing Method: Jewelry gold tester, apply a dropping test on the stone, real gold will stay on the stone, fake gold will be dissolved or oxidized to blue Easy to Use: Jewelry tester appraisal Set, changes color based on , very easy to use. Widely Applications: Gold testing stone, practical jewelry making accessory, ideal for testing jewelry, coins, antique gold, silver, collectibles etc. Specification: Material: Stone Size Chart: Testing Water: 3ml Testing Stone: 5cm/1.97inch Package Includes: AS YOU CHOOSE A: 1Pcs Gold Testing Water(3ml) B: 1Pcs Gold Testing Stone, 1Pcs Gold Testing Water(3ml), 1PcsPlastic Glove Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store