Forney 57054 Lens Replacement Hardened Glass， 4-1/2-Inch-by-5-1/4-Inch， Shade-12<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement hardened welding lens</li><li>Fits most brand name helmets using 5 1/4-Inch x 4 1/2-Inch window opening</li><li>Meets ANSI Z87.1 safety standards</li><li>High quality material offers superior protection from dust， weld spatter and impact</li><li>Provides 99.9-Percent UV-AB protection from the sun</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31lWmi5YflL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Yf206pnNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31%2Bq978ZinL.jpg" noproxy>