CK's 1/4" pure tungsten electrodes provide excellent arc stability and consistent performance for AC welding applications on aluminum and magnesium. This quarter-inch diameter tungsten delivers the reliable arc characteristics that professional welders demand for precision TIG work. Pure tungsten electrodes are the industry standard for AC welding, offering superior arc starting and stability when working with aluminum and magnesium materials. The 0.25" diameter provides optimal current carrying capacity for medium to heavy-duty welding applications while maintaining precise arc control. Material: Pure tungsten electrode Diameter: 1/4" (0.25") Application: AC welding, aluminum and magnesium Process: GTAW/TIG welding Manufacturer SKU: T147G Suitable for low to medium amperage applications Excellent arc stability and starting characteristics Professional-grade electrode material Ideal for fabrication shops and maintenance operations requiring consistent AC welding performance on non-ferrous metals. The 1/4" diameter makes these electrodes particularly well-suited for applications requiring higher amperage capacity while maintaining the precision control necessary for quality aluminum and magnesium welds.