Front Lens Cover Compatible with Brand Optrel Compatible with Grainger Part Number 181J45 181J46 44YT88 Compatible with Manufacturer Model Number Weldcap Weldcap Bump Weldcap Hard Compatible with Series Cap Series Features Outside Cover Lens for Weldcap Series Helmets For Use With 1008.000 1008.001 1008.002 Lens Color Clear Magnification No Plate Length 4 in Plate Thickness 0.37 in Plate Width 2 3/4 in Standards CE ANSI EAC AS/NZS complies withCSA Z94.3