16Pcs Included]:The coin measuring kit comes with 1 magnifying glass, 1 coin tester, 1 wooden hammer, 1 gloves, 6 silicone protective covers, 1 keychain magnet, 1 coin measuring board, 1 caliper, 1 velvet bag, 1 UV light, which is a comprehensive tool How to Use]:Secure the coin in the coin tester, tap with the wooden hammer for acoustic resonance analysis. Use the keychain magnet to test the material and verify authenticity. Use the coin measuring card and calipers to measure size and thickness Magnifying Glass & UV Light]:Use the UV light and magnifying glass in the silver coin tester kit to identify anti- fluorescent marks, detects repair traces and oxidized areas, aiding in authenticity verification and condition assessment Compact and Portable]:The 5x7 inch storage bag in the coin tester kit can hold all components for easy portability. Whether or at a coin show, you can perform professional-grade coin measurements anytime, anywhere Compatible Apps]:The silver tester for coins is compatible with the latest coin measuring software for data analysis and authentication reports, for Pingcoin, for Precious Coin Tester, for Coin Tester platforms Color: As Shown Material: Metal Package Contents: 1*set gold tester kit for jewelry Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.