Maximize 10x Gold Plated Jeweler's Eye Loupe 10x Power magnification for 1000% larger view of object in fine detail 21 mm diameter quality lens; loupe is made of metal brass with gold plating for a beautiful look Loupe folds into its own case for additional protection; small bar at end for a small snap hook Comes with a plastic case with clear top for storage, protection, and display Ideal for jewelers performing appraisals, watchmakers, coin and stamp collectors