UNIMIG E71T-GS Gasless MIG Wire is an all-position, self-shielded flux-cored wire designed for single-pass fillet and lap welding on galvanized or carbon steel as thin as 0.9mm, without burn-through. Gasless wire E71T-GS is commonly used on small portable 240v Single Phase MIG welding machines, offering smooth arc action with very little spatter. Travel speed is fast, penetration is good and slag removal is easy UNIMIG E71T-GS is most popular for the home workshop welder because it works so well on 240v single phase machines and can be used on thin gauge steel.