Front Lens Cover Compatible with Brand Optrel Compatible with Grainger Part Number 205GH5 44YT86 44YU03 Compatible with Manufacturer Model Number e650 e670 e684 Compatible with Series Sphere Series Features Outside Cover Lens Sphere for Series Helmets For Use With 1006.210 1006.300 1006.500 1006.501 1006.502 1006.600 1006.900 1006.901 Lens Color Clear Magnification No Plate Length 9 7/8 in Plate Thickness 0.39 in Plate Width 8 5/8 in