Product Name: Quality Magnifier Material: Metal Lens: Optical Glass Lens Magnification: 10x (Subject To Actual) Lens Diameter: 90mm Colour: Black Scope Of Application: Applicable to Reading, Observing, Appreciating Antiques, Money Detectors, Jewelry, Jade, Porcelain Identification. Tips: 1. If You Or Have Any Questions About The Products, You Can Contact our Customer Service, Your Trust Is Our Pursuit. 2. There are a Lot of Good Products In My Store, You Can Enter The Store If You Need High Definition High Resolution Lightweight and sturdy - The handle and lens remain comfortable for a long time, and on off light is an easy-to-use switch.?These eye loupes are great for different applications and fields such as, industrial purposes (watch making, jewelers), medical science,coins and stamp collectors, geography map. ?The size of the magnifying lens is 22 cm x 9 cm x 1.2 cm, the lens diameter is about 9 cm, the net weight of the product is about 180 g, the lens magnification is 10x, and the product handle length is 10.8 cm. ?High quality optical lens, high lens, small dispersion coefficient, high quality lens for high definition display in the entire field of view. ?The ergonomic design of the magnifying glass makes the handle more comfortable, less fatigue, reliable and reliable, and more stylish. ?Full metal frame, the outer frame is made of metal, the metal is full of texture, durable, extremely light.