Description‎:‎ Lens loupe is made of optical glass Round swing‎-away chrome plated case It has great magnification power High quality lens for extra sharpness and clarity 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 include a small loop to attach to a neck chain or key chain Lens diameter‎:‎ 21mm Inspect object at 30 times POWER Size‎:‎ 38 x 26 x 18 mm Color‎:‎ Golden Package Included‎:‎ 1 x New 30*21mm Jewelers Loupe