Jewelers Eye Loupe By Gem Oro Rubber Grip 10X Loop The "Hastings" name from GemOro assures high quality! This 10X eye loupe features a distortion free, three piece, bonded lens made from Japanese optical glass. Color corrected with a working distance of one inch, this Gold finished loupe has an added rubber comfort grip and easily folds up to protect the lens when not in use. Includes leather carrying case. Size: 1" x 7/8" (folded). Lens diameter: 5/8" Magnification: 10X Why do I need this item? This is an essential item for viewing diamonds, gem stones or other small objects.