Professional laser safety glasses for working with fiber lasers. OD5+ (optical density) protection. Wavelength 800-1100nm, covers Raycus 1080nm and JPT 1064nm. CE EN207 certification. Polycarbonate material, lightweight and impact resistant. Mandatory according to EU regulations for working with class 4 lasers. Each operator must have their own glasses. Never look directly into the laser beam, even with glasses. Glasses protect against scattered and reflected radiation. Always buy at least 2 pairs — one spare in case of damage.