Shop Iron solar powered auto darkening welding helmets are stylish, effective pieces of welding equipment. They feature a 3.86 x 2.17 viewing area with ultra high performance filters to protect against UV and IR exposure. When an arc is struck, the viewing area switches from light to dark in 1/30,000th of a second, then returns back to normal when welding stops. The outside adjuster allows the user to variate the shades from DIN 9 to DIN 13. This helmet has a special turnover headband mechanism that makes welding for long periods of time more comfortable while reducing fatigue so you can weld even longer.This solar powered helmet uses high performance solar cells for regular operation with 2 built-in 3V lithium batteries as power back-up.Complies with DIN, ISO, EN safety standards as well as ANSI Z87.1-2003 standards.Replacement Lenses: Titan Tools Part# 41264Replacement Headgear: Titan Tools Part # 41263 Automatically changes from a light to dark state in 1/30,000th of a second when arc is struck Outside sensitivity adjustments provide clear vision both prior to and during welding Variable shades from DIN 9 to DIN 13 Special turnover headband mechanism allows for greater comfort and reduces fatigue Durable, light weight material is corrosion resistant and flame retardant UPC 802090412905 ASIN B01443THLQ Color Factory Brand Name Shop Iron Style Name Modern Unit Count 1.0 Count Item Weight 1.8 Pounds League Name MMA Closure Type Pull-On Manufacturer Titan Tools Model Number 41290 Material Type Fiberglass, High Density Polyethylene (HDPE), Plastic, Polycarbonate (PC), Polyethylene, Polypropylene Item Type Name Shop Iron 41290 Solar Powered Auto Darkening Welding Helmet Number of Items 1 Specification Met ANSI Z87.1, EN, ISO Included Components Solar Powered Auto Dark Welding Helmet Manufacturer Part Number 41290 Global Trade Identification Number 00802090412905