Lincoln Electric Innershield NR-212 Welding Wire - 10-Lb. Spool, 0.045in. Dia., Model# ED026090 0.045 in. dia. wire Recommended for single or multiple pass welding on materials up to 19mm (3/4in.) thick Innershield NR-212 is designed with the same arc characteristics of NR-211-MP, but for use on a larger range of applications