Diamond Ground TIG Welding Tungsten Electrodes 2% Thoriated Red 0.040"x7" (10 Pack) Premium quality TIG welding tungsten electrodes, 2.0% Thoriated (Red), 0.040"x7", 10 pcs/box Extremely long lasting and highly durable, these electrodes are a staple in DC welding applications. Diamond Ground Products specializes in one of the most important welding tools: the electrode Choosing the correct Electrode improves quality and productivity of your welding Diamond Ground Products maintains a reputation as the industry leader in tungsten electrodes