Front Lens Cover Compatible with Brand Optrel Compatible with Grainger Part Number 35T253 Compatible with Manufacturer Model Number Neo p550 Black Neo p550 Green Compatible with Series Y-Series Features Outside Cover Lens for Y Series Helmet For Use With 1007.000 1007.070 1007.200 Lens Color Clear Magnification No Plate Length 7 7/8 in Plate Thickness 0.59 in Plate Width 5 7/8 in Standards CE ANSI EAC AS/NZS complies withCSA Z94.3 Welding Shade Designation W0