Colour coded 1.6mm x 150mm Thoriated Tungsten Electrode for use with tig welders. This thoriated tungsten welding electrode is specifically designed for use with Ferrous Metals. Part of the Draper Tools welding electrode family that also contains separate electrodes for Ferrous-Non Ferrous Metals and Aluminium. Each welding electrode in this family has its own unique colour band helping identify the application theyre used for.