Jackson TrueSight® II auto darkening welding helmets feature the unmatched clarity of Balder™ lens technology. With an optical rating of 1/1/1/1, the TrueSight II lens offers the clearest view of the weld puddle of any ADF in the world. The TrueSight II 3-N-1 functionality has weld, cut and grind modes and comes with an industry-leading 5 year lens warranty.