... least 3suitable for TIG, MIG, MAG,Arc welding 4CE auto-darkening welding helmet/darkening welding helmet / welding mask.Specifications:Filter size 110×90×10mmViewing Area ... knob OutSensitivity AdjustableWelding helmet weight 420gSuitable for ARC, TIG, MIG, Spot, Micro, Wire, AC, DC, and Plasma Welders and Plasma CuttersAll ...