Upgrade your welding gear with these universal clear cover lenses designed for maximum compatibility with major welding helmet brands, including Lincoln Electric Viking series. Each lens measures 4.5" x 5.25" x 0.04" and is crafted from premium polycarbonate material. The 10-piece pack offers excellent value for both professional welders and DIY enthusiasts. These protective covers serve as a vital shield for your auto-darkening filter lenses, preventing scratches and weld spatter damage while reducing radiation heat by 60% to maintain lens integrity. Perfect for the Lincoln Electric Viking 3350, 2450, 750S, and 850S series helmets, these replacement lenses help extend the life of your equipment and maintain optimal visibility during welding operations. Keep your welding setup in top condition with these essential spare lenses that combine durability with practical functionality.