From HEMSCO SUPPLY, these Oxy-Acetylene Welding Goggles feature a 2 inch (50.8 mm) x 4-1/4 inch (107.95 mm) #5 shade hardened lens with a clear glass cover lens, providing 99.9% UV protection. Designed exclusively for gas welding, they conform comfortably to the head and allow ample room to fit over regular eyeglasses. Meeting ANSI Z87.1 safety standards, these goggles ensure superior protection and comfort, allowing you to work with confidence. Perfect for professionals who demand both performance and safety.