Tungsten 2% 1/8" Red Thoriated

10-pk premium quality TIG welding Tungsten electrodes 2.0% 1/8 in x 7 in Thoriated (Red). The most commonly used tungsten in the United States. This tungsten is used primarily in DC welding. It has a low work function and provides a high load and amperage capability. The health safety issue of 2% Thoriated tungsten has recently raised concerns regarding inhalation and disposal of the Thorium.