Ul style""margin-top0px; padding-top 5px; padding-bottom5px;"" leadhead® auto darkening welding helmet 9-13 stepless variable shade. 3.858"" x 3.425"" (98 x 87 mm) view area. Manual internal controls. Superior comfort with pivot style headgear. Made of high-impact resistant nylon. Four independent arc sensors in a staggered design to deliver the most reliable arc detection. Cutting and grinding modes. High speed lens 1/30000 second. Powered by solar cells and replaceable lithium-battery. Includes magnification lens holder. Fully adjustable nylon suspension. Meets ansi/isea z87.1-2020 + high impact and can/csa z94.3-2020