Jackson Safety Welding Helmet Safety Replacement Plate (16078), External, Polycarbonate, 4.25&rdquo; x 5.25&rdquo;, Clear, 25 / Order 25 Jackson Safety External Replacement Safety Plate / Case; Clear Compatible with Jackson Safety NexGen Welding Helmets, sold separately Helps prevent surface damage to filter plates and lenses Made with polycarbonate 0