JEWELER'S EYE LOUPE Clip on Eye Glasses Jewelry Making Repair Magnifier Craft Jeweler's Eye Loupe with dual swing-down lenses for 16.5x magnification. Lenses may also be used individually for 3.3x and 5x magnifications, respectively. The spring-loaded clip attaches to the side of your eye glasses. 1" diameter lenses. Great magnifier for jewelry-making, watch repair, hobby and craft work.