Magnifying Glass, Yizish 30X 60X Dual Lens LED Illuminated Jewelry Magnifier, Pocket Microscope Magnifying Jewelers Eye Loupe Glasses

What are these Yizish jewelry magnifiers used for? The dual LED jewelry pocket magnifier is made of high quality optical glass in a chrome plated surround. Great glasses lupe for watch repairing, specially for inspecting those tiny parts. Such as inspection of jewelry, diamond, coins, stamps and antiques, precision detecting of insects and disease on farm plants, cellphone pcb, mini circuit che...