Rhino Large View (4" X 2.6") + Grind - Auto Darkening Welding Helmet - Red RH16 Rhino Auto Darkening Welding Helmet with OVERSIZED LENS Built for Professionals, Priced for Everyone. The New Standard in Welding Helmets 10.4 Square Inches of LCD Auto Darkening Viewing Area! Almost DOUBLE the size of standard Viewing Windows! Check out the competition...Their viewing windows will typically be 4-6 square inches.