3M Speedglas Aces High Welding Helmet 100 with Auto Darkening Filter 100V helps provide eye and face protection for worker safety while welding. The helmet comes ready to use with a lens offering three sensitivity settings: 1) Normal for most types of welding both indoors and outdoors, 2) A setting for when other welders are working nearby, and 3) a setting for low-current or stable arc welding.Good for Stick, MIG and most TIG welding processes. User selectable dark shades 8 through 12 and viewing area of 6.05 sq.in. Three user-selectable sensitivity levels for reliable arc detection and has excellent optical quality. Shade 3 in the light state.