This ESAB Aristorod 12.50 non-copper coated steel MIG wire (ER70S-6) has excellent feedability, even at high wire feed speeds, and is ideal for robotic applications. It has lower spatter levels than copper-coated wires, higher productivity, and less post-weld cleanup. Its diameter is 0.045 inch with a tensile strength of 70,000 PSI. Available in spools with a net weight of 250 kilograms as part of an octagon marathon pack.