A small, pocket magnifying glass with a chrome surround and a chrome swivel cover. 30 x magnification in a 21mm loupe High quality lens is made of optical glass for extra sharpness and clarity Round swing-away chrome plated case It has great magnification power You can get an extremely close view of the tiniest details Great product for the watch making industry, specially for inspecting those tiny objects Great for inspecting gems and diamonds Ideal for finding the hallmarks on silver and gold Good for jewelry, coins, stamps and antiques etc.. Foldable and tiny, great to have one in your pocket all the times It includes a small loop to attach to a neck chain or key chain Lens diameter: 21mm Inspect objects at 30 times magnification Size: 38 x 26 x 18 mm