Jackson Safety SmarTIGer Variable Auto Darkening (ADF) Welding Helmet with Balder Technology (37187), W40, Torch Dancer The Jackson Safety ADF has a variable shade range from 9 to 13 to shield and protect the wearer's eyes from radiant energy during welding (mig welding, tig welding, arc welding) It's equipped with sensitivity and delay settings for adaptability for different environments and task durations; Enjoy enhanced visibility and color recognition. The lightweight, high-density plastic shell protects the wearer's face, forehead, neck, and ears from weld sparks and spatters; the aerodynamic curved front cover plate offers better reduced heat built-up, reflections and fogging than HSL-100 Meets ANSI/ISEA Z87.1+2010 standard for high mass impact protection and welding use, and DIN requirements for production quality Comes with three headgear adjustments for the configurability to suit a variety of tasks; compatible with magnification filters and hard hats (sold separately)