"Select Hobart Flux-Core Welding Wire to weld without using gas as a shielding agent on straight polarity MIG welders. Choose mild steel wire for auto body repair and similar types of welding applications. Compatible With MIG welders, Weight lbs. 2, Wire Material Flux core steel wire, Wire Size in. 0.035, Welding Processes Auto body repair and other similar work, Product Type Welding wire."