WeldingCity ER4043 Aluminum MIG Welding Wire 1-Lb Spool 0.035" (0.9mm) Premium quality MIG/TIG welding wire 1-lb, 4" spool ER4043 MIG welding wire (0.035") wrapped in moisture-resistant plastic film. AWS Classification: ER4043 Wire diameter 0.035"(0.9mm) You get One (1) roll of ER4043 1-Lb spool at this price