Based on extensive input from welders working at high amperages that need to grind frequently, the 3M Speedglas Heavy-Duty Welding Helmet G5-01 is created to be adaptable to an individual’s needs and situation. The new 3M Speedglas Heavy-Duty Welding Helmet G5-01 has more adjustable features than ever: from the colour as seen through the welding filter to the direction of the airflow and the level of coverage. Supplied with Heavy Duty battery as standard. Natural Color technology Welding Filter Shades 5, 8-14 Largest Viewing Area: 104mm x 170 mm