Material:stainless steel, acrylic optical lens ultratofine point precision tweezers are built into the magnifier for precision work, multitopurpose, easy to use. Lens Magnification:10X Lens Diameter:25mm or 0.98 inch This is a very practical magnifier in life, can provide you more clear and close view for tiny objects, convenient for people in poor eyesight or for close observation. Size:97x30x10mm or 3.8x1.2x0.4 inches when folded 97x30x35mm3.8x1.2x1.38 inches when unfolded small size, the precision tweezers loupe is portable, easy to storage in pockets and carry it with you to anywhere, great to have one all the time for daily using. Simple and generous, light weight, designed with ergonomics, foldable design, convenient storage, with metal tweezers for holding items. The tweezers with magnifying glass is suitable for reading, inspection, maps, newspaper, magazine, photos, stamps, jewelry identification, antiques, hobbies, electricians, crafts, watch repair, inspecting coins, fine print, painting, miniature engraving, model building, ect.