BARRIER 3 Welding mask with adjustable tinting suitable for all welding jobs a professional welding helmet designed to protect the eyes and face during various welding operations in construction, maintenance, and light industry. It features adjustable tinting to suit different welding jobs and a durable polycarbonate lens. Features Lens Material: Polycarbonate Lens Color/Shade: Welding 13 Optical Class: 1 Mechanical Strength: Grade B Weight: 500 grams Industrial Sector: Building Finishing Works/Craftsmanship Light Industry Maintenance Automotive