Description Bosssafe Trade Series PATRIOT Electronic Welding Helmet. Auto Darkening. Grinding   Designed to provide protection to your eyes, neck and face from flash burn, ultraviolet & infrared light, sparks and heat while performing welding tasks. Manufactured under strict quality control methods, the Wide View Series auto-darkening electronic welding helmet are the perfect choice for your next welding project.   Wide viewing area 100mm x 67mm Shade Adjustable from shades 9 – 13 Grinding mode Switching speed 1/10000s Dual Sensor