Tungsten Electrode, AWS Classification EWLa- 1.5, Chemical Composition 1.5 Percent Lanthanated, Color Gold, For Material Type Copper, Nickel, Stainless Steel, Titanium, Overall Diameter 1/4 in, Overall Length 7 in, Welding Current Designation AC/DC, Welding Processes TIG Welding (GTAW), Electrode Material Tungsten, Features Enhanced Arc Starting and Stability, Extended Operating Current Range, Reduced Tip Erosion Rate, Standards AWS A 5.12, Weight 1.216 lb, Package Quantity 5