1. 21mm jewelry magnifier with triple lenses. 2. Excellent light, suitable for observing diamonds and other gemstones. 3. This magnifier uses objective lenses and apochromatic optical glass, making it a professional gemstone tool. 4. This magnifier with a 10x magnification is equipped with a 21mm triple lens and has 6 bright white LED lights that emit natural white light, which helps to observe inclusions in gemstones. 5. Your magnifier is the best "tester" for identifying gemstones. 6. It is one of the magnifiers with excellent correction effects on the market. 7. Experience the advantages of a magnifier with ultraviolet and LED lighting functions. 8. Usage scenarios: Suitable for industries such as gemstones, jewelry, coins, watches, handicrafts, antiques, models, and photos. This magnifier allows you to clearly distinguish and observe objects. 9. Color: Silver + Black. 10. Material: Aluminum + Copper + Glass lenses. 11. Dimensions: 8.8 * 2.8 * 2.4 cm. 12. Package contents: - 1 magnifier (with battery) - 1 leather case - 1 battery screwdriver 13. Only the above package contents are included, and other products are not included. 14. Note: Light and different displays may cause slight differences between the color of the item in the picture and the actual object. A measurement error of +/- 1 - 3 cm is allowed.