Product Properties: Name: Jewelry Magnifier Material: Metal Frame Optical Lens Multiples: 10X, 15X, 20X, 30X Focal Length: 10, 15, 20, 30 Times Focal Length 25Mm, 15Mm, 12Mm, 8Mm Glass Lens for Extra Sharpness and Clarity Ideal for Finding Hallmarks on Silver and Gold and Other Tiny Object or for Watch Making Magnification. Portable Light Weight, Easy to Carry, Material Glass Lens Gross Weight: 50G Volume: 5.5X2Cm Magnification: 3.5 Times If This is Not for You, We Have More Styles to Choose from Our Pictures and Sizes Are Manual Physical Measurements and Shooting, and There May Be Slight Errors Depending on the Actual Object. Optical Lenses - Clear, Distortion-Free Magnifying Glass for Comfortable Ergonomic Design High Definition - Clear, Distortion-Free Magnifying Glass, Comfortable Ergonomic Handle for Children, Adults, Seniors, Amateurs and ProfessionalsYou Can Take It with You When You Travel,So You Can Use It. Suitable For:Reading and Viewing Books,Newspapers,Magazines,Photos,Maps,Electronics,Miniature Model Details and More.Ideal for Home,Office or Business Use. If You Have Any Questions About the Product,Please Contact Us in Time,We Will Reply to You Within 24 Hours. Size: 5.5X2Cm, Lens Diameter 2Cm,Magnification,Light Weight,Easy to Carry,Glass Lens. Ergonomic Handle for Children,Adults,Seniors,Enthusiasts and Professionals.