Campbell Hausfeld WE200001AV .030" Flux Core Wire 2 Pound Spool Of .030 Flux Core Welding Wire. Fits all brands of welders. Campbell Hausfeld WE200001AV .030" Flux Core Wire Features: Flux core wire 2.26 lbs .030" diameter wire Requires No Shielding Gas Easy to use Produces a smooth bead Deep penetration for use with thicker metals