The VERN LEWIS WELDING Cover Lens from Lincoln Electric is designed to enhance the functionality of the VIKING 3350 ADV welding helmet. This pack includes five inside cover lenses, each measuring 3.93 x 3.31 x 0.04 inches, ensuring optimal protection and clarity for the welder's line of sight. Constructed for easy installation, these lenses serve as essential accessories that not only shield the helmet’s primary lens from spatter and debris but also extend the life of the helmet. The reliable quality of these cover lenses makes them a must-have for professionals seeking to maintain their welding gear without compromise.