Item Name:Jewelry Loupe MagnifierLens diameter: 21mmDimensions (cm): L35 x W26 x H18 mm(When closed)Weight: 52gThe lens ofEye Loupe Magnifieris made of optical glass for extra sharpness and clarityRound swing- chrome plated case10 times magnification power for extra sharpness and clarity.Foldable and portableLoupe Magnifieris convenient for your carrying.Ideal for jewelry, coins, stamps, gems and antiques etcYou can get an extremely close view of the tiniest detailsJewellers Magnifieris great for inspecting gems and diamondsIdeal for finding the hallmarks on silver and gold.Include a small loop to attach to a neck chain or key chain Color: SilverPackage Content: 1x Jewelry Loupe MagnifierNote:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.