Polarized knot tyers have curved arms that fit snugly to the head and block all peripheral glare. The frame is a light weight hard nylon material and non corrosive. The large magnifier is not polarized so you can read your electronics. No more switching glasses to tie those hooks. Scratch resistant polarized lenses.
*Polarized Lenses With Built in Magnifier
*100% UVA/B Protection
*Fit: Small to Medium Size Heads
*Lens Size: 70 mm by 38 mm, Temple Length 127 mm
*Come With Free Lanyard, Hard Zip Case, and Microfiber Cleaning Cloth Case