... weight:0.1kg 10x 18 mm, 20x21 mm triplet Silver Jewelers Eye Loupe Magnifier/Magnifying glassFolds into itself Comes in protective ... This loupe is great for rock collectors, coin collectors, hobbyists, jewelers, and anyone else who requires distortion free magnification. The lenses ... completely Closed: 2 inches 10x 18 mm, 20x21 mm triplet Jewelers Eye Loupe Magnifier Magnifying glass