Ideal for a wide variety of welding applications this Sellstrom® Advantage Plus Series ADF welding helmet is constructed from lightweight nylon. Model features turn/twist ratchet headgear for a custom fit and provides maximum protection and comfort. Helmet is solar/battery powered with 4 arc sensors and a larger 4" x 2-1/2” viewing area. Includes adjustable sensitivity and delay control, grind mode, and has excellent optical clarity.