Outside Prot Plate, Compatible with Brand Speedglas, Compatible with Grainger Part Number 6DND4, Compatible with Manufacturer Model Number 05-0000-41, 05-0013-41, Compatible with Series SL Series, Features Protection Plates, For Use With Sl Series Welding Helmets, Material Polycarbonate, Plate Length 8 in, Plate Thickness 0.06 in, Plate Width 3 1/2 in, Standards ANSI Z87.1-2010, Welding Shade Designation W8-12