Radnor 4 1/2" X 5 1/4" Polycarbonate Cover Plate For Cobra 45P, 54P, 45Vi, 54Vi, 54Vi Select And DV Series Welding Helmets Radnor 4 1/2" X 5 1/4" Polycarbonate Cover Plate For Cobra 45P, 54P, 45Vi, 54Vi, 54Vi Select And DV Series Welding Helmets Protect the welding lens against spatter Polycarbonate cover plates are not safety lenses-Always wear safety glasses when welding