Protective folding glasses with INFRAZOR welding lenses, featuring a covering lens with a cover headband and a leather nose cover equipped with INFRAZOR lenses, are designed to protect the eyes when looking into furnaces, quenching, and melting. Who the protective glasses are suitable for: They are used to protect the eyes from infrared radiation during technological processes occurring at higher temperatures or from glare when looking into furnaces or other thermal equipment. Color options for the frame: gray, brown. Option to order replacement lenses. - Lens material: 3 mm glass, cover flip lens PC 1 mm - Infrazor: 5-6 non-coated, 7-8 coated - Lens color: gray - Optical class: 1 - Lens exchangeability: yes - Protection: mechanical - Impact protection: increased strength S - Temperature resistance: -5 °C / +55°C - Weight: 72 g - Complies with standards: EN 166, EN 171