This Hobart Fabshield 21B carbon steel welding wire (E71T-11) is self-shielded and ideal for all-position welding outdoors where drafts might make it difficult to maintain gas shielding. This general purpose wire is suited for fillet and lap welds of thin gauge, mild or galvanized steel, and single or multi-pass applications. It has a 0.045-inch diameter and is available in a 33-pound spool. Meets CSA/CWB W48-01 standards.