The Jackson Safety Hellfire Auto Darkening Welding Helmet, No. 47101, is designed to provide an ideal view of the welding arc, reduce eye strain, and provide a comfortable welding experience. The auto darkening filter allows welders to adapt to a variety of applications by switching the lens shade-range (3/5-13) and transitioning from light to dark in 1/20,000 seconds. With a 1/1/1/1 rating and a patented 370 Speed Dial, the Jackson ratcheting headgear offers optical clarity with an adjustable fit. The welding helmet is ideal for grinding, cutting, or welding functions.