Optivisor Lens Head Magnifier Glasses Magnifying Visor Glass Headband 4 LensesProduct Portable Head Magnifier, usually uses in reading books, newspaper, drawing picture, repairing electronics and appreciating flowers etc.Product Features100% brand new and high quality.Premium-grade professional quality materials used in developing 4-level magnifying lenses for varied magnification.Lens are ground and polished to precision ophthalmic standards.Head-mounted design, to easily fit your head and without discomfort.Lens are ground and polished to precision ophthalmic standards.Easy to use and safe to clean. Comes with instructions manual for ease of understanding.Widely used in mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving, etc.Product SpecificationTypeHead Band MagnifierMaterialABSLense Plates1.5x, 2x, 2.5x, 3.5xNet Weight9oz(256g)Package Included1 x Headband Magnifying Glass4 x Lense Plates:1.5x, 2x, 2.5x, 3.5x4 x Plastic Screw1 x Product Manual