Plastic Magnifier Plate, 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, Diopter Strength +2.5, For Use With For use with any Miller helmet that has a magnifying lens holder, Lens Color Clear, Magnification Yes, Magnifying Power 2.5x, Material Plastic, Plate Length 4 1/4 in