Item Type: 15X Loupe Material: Aluminum alloy, sapphire Multiplier: 15X 115X Loupe Magnifier: The 15x magnification function is convenient for magnifying objects and viewing details, and can be read clearly even in the hot sun. 2Professional Loupe: Suitable for watchmakers and watch repairers to watch tiny parts and improve operation accuracy. Easy to store and carry, suitable for home and watch repair shops. 3Wide Application: The premium 15X eye loupe is especially designed for gems, jewelry, coins, stamps, rocks, watches, hobbies, antiques, models, photos, and more. 4High Quality Material: The magnifier adopts aluminum alloy overall and sapphire lens structure, good transparency and impact resistance, high hardness is more wear resistant. 5Exquisite Workmanship: The watchmaker loupe with smooth surface and rounded edges will not scratch your hands or skin, considerate and practical in operation.