Designed for professional welders, the 3M™ Speedglas™ Auto Darkening Filter 9100XX works well for grinding and torch cutting modes, as well as advanced arc detection electronics. It is intended for use with all arc welding processes and incorporates dark shade ranges 8-13.Welding helmets come in a variety of shapes and sizes for a custom fit and optimal protection. The 3M Speedglas Auto Darkening Filter 9100XX fits with all 3M Speedglas Welding Helmet Series 9100 (helmets sold seperately).