3M 7100259848 is a professional-grade welding helmet with a grinding visor. It features an auto-darkening filter with a viewing area of 73mm x 107mm, providing clear vision during various welding processes such as grinding, MIG/Mag, MMAW, TIG, and tack welding. The helmet comes with a CR2032 battery with a life of up to 1800 hours and offers five sensitivity levels. With its heavy-duty construction and three sensors, it ensures optimal protection and durability. The 3M 7100259848 also offers side windows, a front panel, and a comfortable headband for enhanced convenience.