The Pyramex Ztek Reader is a comfortable safety glass that allows the user to read in hazardous environments without switching out glasses. Strategic placement of bifocal lens insert is out of the user's direct vision. Soft, non-slip rubber temple tips and integrated nose piece provide a secure fit and all day comfort. Lenses are hard coated for superior scratch resistance. Lenses provide 99% protection against harmful UV rays and exceed ANSI Z87.1-2010 and CSA Z94.3 standards. Available in four magnification strengths.