GM Welding Wire Material ER420 of 0.2/0.3/0.4/0.5/0.6mm Mold Laser Welding Filler 200pcs /1 Tube GMER420
https://www.vogueparade.com/shopping/EN/1427/1/4000970522254/gm-welding-wire-material-er420-of-0203040506mm-mold-laser-welding-filler-200pcs-1-tube-gmer420//