Automatic welding helmet, 100-V8-12, dark-light 100 - 250 ms. Supplied = assembled. Weight = 0.44 kg. Safety level = 8 - 12, adjustable. Vision panel dimensions = 93x43 mm. Dark-light = 100 - 250 ms. Switching time = 0.1 ms. Product type = welding masks. Suitable for spectacle wearers. Speedglas auto-dark technology. Large viewing area, WxH 93 x 43 mm. Shade level 3. Switching time 0.1 ms. Lightweight, impact and radiation resistant helmet shell. Weight 440 g.