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