E71T-GS is a self-shielded wire for all-position, single-pass welding on mild and carbon steel without external shielding gas. Choose the spool weight that fits the welder; FLUX-135PRO-A supports the 2 lb spool only. Materials and Applications Mild steel and carbon steel Outdoor repair, fabrication, farm equipment, construction, and DIY work Choose the Right Spool 2 lb spool: A compact choice for portable welding, occasional repairs, and machines with smaller spool compartments. 10 lb spool: An 8" spool that reduces spool changes during longer fabrication and repair work. Works With 2 lb and 10 lb spools: YESWELDER DP200 YESWELDER MCT520-A YESWELDER MIG-205DS-PRO YESWELDER MIG-250PRO-A YESWELDER MP200-PRO YESWELDER YWM-160 2 lb spool only: YESWELDER FLUX-135PRO-A Key Specifications Classification: E71T-GS Process: Flux-Cored Shielding gas: Not required Spool weight options: 2 lb (0.9 kg) and 10 lb (4.5 kg) 10 lb (4.5 kg) spool diameter: 8" (200 mm) Wire diameter options: .030" (0.8 mm) and .035" (0.9 mm) Pack quantities: 1 PK, 3 PK, and 5 PK Welding use: All-position, single-pass welding