DescriptionMade of material, this magnifying glass is durable and practical for long lasting use. Lightweight and portable, it is a wonderful magnifier for choice. You can put it in your backpack, handbag, etc. Suitable for professional and at home use.Features- Color: Black,Silver. - Material: Alumium Alloy, Optical Glass. - Size: Approx. 4.4x4x4cm/1.73x1.57x1.57inch. - Magnification: 20x. - Effective diameter: 40 (mm). - Made of material, durable and practical for long lasting use. - Handheld for easy carry, suitable for identifying jewelry, circuit board, and so on. - A wonderful magnifier for choice. - Lightweight and portable, You can put it in your backpack, handbag, etc. - Ergonomic design for easy and convenient to use.