Magnification reader glasses are for the worker who needs to see up close |The 28 mm wide reading magnifier provides the worker with enough lens area to view his work throughout the day |Due to its lightweight, rimless design and thin, rubberized temples, the Z12R is one of the best fitting readers on the market today |Gray rubber co-molded temples provide a secure fit |Molded nose bridge design to fit the vast majority of users |9.25 Base curve lens |+2.50 Diopter |Meets ANSI Z87.1+