The ESAB® Swarm A30 helmet features shade 9-13 auto-darkening, true color, and a 1/1/1/2 optical rating. The 6.55 square inch viewing allows you to weld, cut or grind while maintaining a more natural view of your work area. The ESAB A30 helmet operates in shade 9-13 welding mode and shade 4 grind mode. Four arc sensors and 0.08 millisecond switching speed make this welding hood an outstanding value.