Workpro Welding Helmet Large Viewing Welding Mask Hood 4arc Sensor

DIN 4 is the bright state; DIN 5-9/9-13 is the dark state. The inside of the welding hood is made of a high-quality sponge that absorbs sweat and is non-slip and breathable. Safety & Durability: Auto-Darkening welding mask is made of high-quality material PP with impact resistance and high heat resistance.