Cold-formed, these copper-zirconium cap electrodes possess either a domed or an offset head and are suited for light to medium gauge coated steels as well as aluminium welding. With a 13mm diameter. Features and Benefits Can be used on light and medium duty steel as well as aluminium, making for a versatile product Cost-effective way of ensuring high quality spot welding results Available with either an offset (CTL8896442B) or domed (CTL8896448H) head depending on your preference Typical Applications Spot welding