High Quality Replacement Glass lens plate set for Headband Magnifiers will fit Optivisor and Optivisor "Style", include 4 lenses 1.5x, 2x, 2.5x, 3.5x with storage Case.  You will receive 4 high quality optical glass prismatic lens plates that will provide a wide range of magnification to allow you to fully utilize your headband magnifier to its fullest. Comes with a protective case to keep lenses safe from scratches and dust. Makes the perfect accessory & Gift for someone that has an optivisor or similar headband magnifer.