The helmet also features an additional grind mode shade. It can be used in Stick, TIG, Pulsed TIG, MIG, Pulsed MIG, Flux-Cored, Gouging welding processes. WELD PROTECTION: Lincoln Electric K3419-1 Black Glossy Welding Helmet is an auto-darkening hood for safety and protection that's solar powered with battery backup. COMFORTABLE FIT Adjustable ratchet headgear provides the perfect fit for men and women; It's rugged but lightweight with an oversized absorbent sweatband for extended wear and comfort. EXTRA LENSES: Includes 2 extra inside and outside impact resistant clear lenses; The variable shade feature allows you to choose from shades 7-13; The helmet also has an additional grind mode shade.MORE SPECS: This helmet is ANSI Z87.1 safety certified, made of nylon material, weighs 17oz, has a 3.82" x 1.73" viewing area, is hard hat compatible. Two independent arc sensors to help avoid blind spots. Continuous variable external control for shades 7-13.