With more features that you can poke a MIG, TIG or Stick at, this is our most impressive helmet yet! One of the new generation 600 series helmets from Weldclass, the Promax 680 offers: Enormous 95cm2 ‘landscape’ view with ultra-crisp V1 (1/1/1/1) rated optics, LCD illuminated self-dimming controls, leading 7-year warranty offer, External and internal controls, Auto Shade, Auto Delay, Auto Sensitivity, Gradient mode, Shade Lock, Tack Mode, Wrap-a-round headgear and more! Plus the comfort, reliability and great value that Weldclass helmets have delivered for decades.