1.2mm Fluxcore Gasless MIG Welding Wire (ER1T-11) 15kg1. 2 mm Flux Cored Gasless MIG Welding Wire (ER71 11) 15 kg Spool High performance ER71 11 flux cored gasless MIG welding wire designed for heavy duty welding on mild steel without the need for shielding gas. The 1. 2 mm diameter is ideal for higher amperage MIG welders and thicker material, delivering strong penetration, stable arc performance, and consistent weld quality. The 15 kg spool is perfect for workshops, fabrication shops, and long welding