ITEM NAME:Double 10X Zinc Alloy Ruler Folding Scale Magnifier Cloth Magnify Glass ZWG.Double LED Lighting Lens Magnifier. Compact folding magnifier with fixed scales. It's also suitable for watch industry, jeweler, woven fabric and etc. Material: zinc alloy, optical glass lens. 10X magnifications, great for watch industry, jeweler, woven fabric and etc.