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