... is made of special nylon, has hig Auto darkening welding helmet KT2008•Classical design, reasonable ergonomic structure,comfortable and convenient ... , has high enough strength and operation temperature for welding.•Ample mask space,safety structure,excellent face protection for ... temperature: -10°C-55°C(14°F-131°F)•Suitable for a variety of color spray paint and decals. Auto Darkening Welding Helmet