the Use of Alloy Metal Frames, Ebony Handles and Optical Glass Lenses is Robust. Lightweight and Portable, Easy to Carry. Exquisite Retro Design and Ergonomic Handles. is a Powerful Reading, Jewelry Evaluation, Painting, Engraving, Handwork, Stamp Observation, Sewing, Repaigadgets and Other Tools. Made with Scratch Resistant, Shatterproof Clear Optical Grade Lenses Designed for Seniors, Students, Professionals, People with Low Vision Andular Degeneration.