The Cornwell Variable Shade Welding Helmet, No. MMW56VG, offers a 3.86" by 1.73" viewing area, five-point, adjustable ratchet-style head gear and a large, removable washable sweatband. The fully automatic helmet, for use in a variety of applications, provides the ability to make shade adjustments from nine to 13 and switch to grind mode on the same external control dial. The helmet features fast 1/25,000 second switching time, UV/IR protection to shade 16, low amp TIG to 10 amps, two arc sensors, auto on/off and a solar power supply. This product is ANSI and CAS approved.