Siegen s01001 welding helmets auto darkening shade 9 13 sealey s01000 this welding helmet from siegen features automatic switching from light to dark on striking arc fitted with adjustable sensitivity and delay controls for switching light to dark solar panel power supply no batteries required deluxe contoured helmet with fully adjustable headband featuring front pad for added comfort suitable for mig tig and arc welding sealey s01000 welding helmet auto darkening shade 11