Handheld 30X Magnifying Glass, Optical Glass Magnifier with Light and Scale, Jewelry Loupe with Measurement Scale 【SOLID MATERIAL & APPLICABLE AREA】 - 30X optical lens (double glass lenses). The handle is made of solid zinc alloy material with a white lacquer finish; the white color matches your jewelry, delicate and durable. Perfect design for antique, jewelry collectors, coins and stamps, stones, printing industry purpose, medical science, geography, models, etc. 【WITH SCALE】 - The magnifier with a scale plate in mm units is necessary for jewelry collectors; it's used to measure the actual size of objects very conveniently, perfectly designed for reading fine details in jewelry, antiques, woven fabrics, etc. 【LED LIGHT】 - Built-in energy-efficient LED to illuminate the object being viewed. The comfortable ergonomic handle can be placed anywhere at any angle; it's bright enough to show crystal shapes and sizes even on gemstones. It's the perfect tool for viewing jeweler's marks as well as closely examining gemstones. 【WITH STORAGE CASE】 - Comes with a storage case perfect for protecting your magnifier, also quite convenient to carry around and store anywhere. It's an excellent tool for professionals in jewelry appraisal.