HSL100 4 1/2" X 5 1/4" Fixed Front Black Shadow Welding Helmet With Headgear And Shade 10 Lens "SHADOW" WELDING HELMETS Narrow shell design Extended front increases throat protection against sparks, slag, and fumes Lens Coating/Shade: #10 Window Width x Length: 4-1/2"x 5-1/4"