Protective goggles with side covers, adjustable side length and inclination adjustment. Goggles serve to protect the eyes for manual and machine metal and hard materials machining - i.e. for turners, milling, locksmiths, grinders and stonemasons, blacksmiths, etc. Colours: grey, blue-orange, blue. Replacement visors can be ordered. Material of visors: glass 3 mm, cover hinged visor PC 1 mm Infrazor: 5-6 uncoated 7 - 8 coated Colour of visors: grey Optical class: 1 Exchangeable lenses: yes Protection: mechanical Impact protection: increased strength S Temperature resistance: -5 °C / +55 °C Weight: 72 g Conforms to standards: EN 166, EN 171