Inside Lens Cover, Compatible with Brand Optrel(R), Compatible with Grainger Part Number 401R73, Compatible with Manufacturer Model Number Panoramaxx CLT black, Panoramaxx CLT Silver, Panoramaxx Quattro, Panoramaxx2.5, Compatible with Series Panoramaxx Series, Features Inside Cover Lens for Panoramaxx Series Helmets, For Use With 1010.000, 1010.100, 1010.200, 1010.201, Optrel Panoramaxx Helmets, Lens Color Clear, Magnification No, Plate Length 7 15/32 in, Plate Thickness 0.39 in.