Inside Lens Cover, Compatible with Brand Miller Electric, Compatible with Grainger Part Number 40CN02, 40CN04, 40CN05, 423P56, 48VF66, 494D93, Compatible with Manufacturer Model Number 280045, 280047, 280048, 280049, 280051, 280053, Compatible with Series Digital Infinity, For Use With Infinity Series Helmets, Lens Color Clear, Magnification No, Material Polycarbonate, Plate Length 4 3/4 in, Plate Thickness 0.06 in, Plate Width 3 1/4 in, Standards ANSI, CSA Certified