INETIG ER70S-6 .035 x 36-Inch on 10-Pound Tube Copper Coated Tig Rod for Welding Carbon Manganese Steels The high levels of deoxidizers like Manganese and Silicon provide excellent tolerance of rust and mill scale Very clean copper coating for long shelf life, Rods made from high quality steel Certified by TUV & DB Made in Italy from the finest quality materials using state of the art technology under highly respected labor conditions