Speedglas 9100 Welding Helmets will fundamentally changes not only how your workers wear their welding helmets, but also how they experiences the helmet's fit, stability and balance. A lower center of gravity makes the helmet more stable in both the up and down positions, as well as reducing leverage strain on your neck. Helmets can be used with all stick, MIG and TIG processes. They also offer grinding and torch-cutting modes. Thanks to improved optics, the 9100Xxi allows you to more readily recognize colors as compared to our other models. The improved user interface that is easy to understand. The Silver Front Panel houses the external controls, enabling fast and easy access to the grinding and memory modes. The filter offers a 2.8" X 4.2" viewing area and selectable shades 5, 8-13 and shade 3 light state. The sensitivity of the arc detection can be adjusted.