TS51B Visitor safety glasses Standard : EN 166, EN 170 Application : Protection against low speed counter impacts. Technical specifications: Clear polycarbonate lens. Side arms are equipped with SOFTFLEX ends for comfort. Eye protection for visitors or as overspec for spectacle wearers. Large clear polycarbonate lens. Temples in SOFTFLEX. Advantages: Very wide mink field. Side protection. Ideal for wearing prescription glasses.