General description These durable 2% thoriated tungsten electrodes measure 1.6mm in diameter and 150mm in length. They feature a fine grain structure and are annealed to enhance resistance to splitting and weld contamination. Suitable for use with DC currents and ferrous welding applications, these electrodes are also thorium-free, making them safer and environmentally friendly. Pack of 10. Technical specifications Diameter: 1.6mm Length: 150mm Composition: 2% thoriated tungsten