The 3M™ Speedglas™ 9100 FX Welding Helmet features a flip-up Auto-Darkening Lens design. It incorporates a secondary clear faceshield that's ideal for grinding and set-up work, while the available Auto-Darkening Lens helps protect against the intense light of MIG, TIG, and stick applications. A highly adjustable head suspension system allows the helmet to comfotably fit many different head sizes and shapes, while side windows in the welding helmet give each welder a wider viewing field to see more of their work area.