The DEWALT Reinforcer Rx Safety Glass combines safety glasses with a reading glass. Magnification diopter molded directly into safety lens. Handgrip pattern on temple is ergonomically positioned for a secure grip. Soft, rubber non-slip nosepiece provides maximum all-day comfort. Tough, polycarbonate lens is impact resistant. Distortion free lens provides fatigue free use. Safety glass exceeds ANSI Z87.1+ standards. Provides 99.9% UVA/UVB protection.