The Save Phace RFP E Series Ripped Welding Helmet, No. 3012442, from SFA Companies, features an externally adjustable shade 4/9-13 ADF welding lens with a 180-degree viewing area. The helmet offers easy on and off, grind mode, and sensitivity and delay control adjustments for most welding applications. The helmet has ultra sensitive, low amperage ADF triggering to switch to weld mold, and includes a replaceable ADF battery.