https://alexnld.com/product/jcd-soldering-wire-0-8mm-1-0mm-1-5mm60-40-tin-lead-45ft-flux-2-0-wires-melt-rosin-core-desoldering-solder-tool/?hilite="0.5/0.6/0.8/1.0mm 63/37 FLUX 2.0% 45FT Tin Lead Tin Wire Melt Rosin Core Solder Soldering Wire Roll"