The 3M Speedglas 9100XX Welding Helmet 346473 is a high-performance welding helmet that provides superior protection and visibility. It features a large viewing area, a fast-reacting auto-darkening lens, and a comfortable design. The helmet is also equipped with a variety of features that make it ideal for a variety of welding applications. Features: Large viewing area: The 73 x 107mm viewing area provides a wide field of view, making it easy to see your work. Fast-reacting auto-darkening lens: The lens darkens in 1/20, 000th of a second to protect your eyes from the harmful effects of arc welding. Comfortable design: The helmet is lightweight and has a padded headband for a comfortable fit. Versatile features: The helmet is equipped with a variety of features that make it ideal for a variety of welding applications, including gas welding, MIG welding, and TIG welding. Benefits: Superior protection: The helmet provides superior protection from the harmful effects of arc welding. Inc