US Forge Welding Flux-Cored MIG Wire .030 2-Pound Spool #00062 Excellent for use with small constant current wire feeders which are lightweight Fabrication and repair of lightweight structural steel, trailers, tanks, hoppers and machinery parts Excellent for use on fillet and lap welds on thin gauge steel where burn through is a problem with other wires and electrodes Ideal to use in drafty or windy conditions where gas shielded wires cannot be used