Equipped with optical glasses, it creates 15x magnification power. Perfectly fit for watch maintance use, also it is an magnifier for viewing fine details in books, newspapers, magazines, maps, electronics, miniatures, jewelry, pill bottles, hobbies and crafts. Feature - Color: Black - Material: Optical Glass+Plastic - Size: 3.9 x 3.5 x 3.5cm - Lens loupe made of clear optical glass. - Great 15x magnification power. Give you an extremely close view of the tiniest details. - Perfectly fit for the watch industry use, especially for inspecting those tiny parts. - Caution: Because of special optical structure, this small size optical magnifier for close distance use. - Great for viewing fine details in jewelry, coins, stamps, antiques, newspapers, magazines, maps, electronics, miniatures, jewelry, pill bottles, hobbies and crafts. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 3 x Jewelers Magnifying Glass