Unibraze ER70S-2 1/8 x 36 Carbon Steel TIG Rod 10 LB Box | ShopWeldingSupplies.com
RG-45 - Oxy-Acetylene Carbon Steel Welding Rod (R45) - 36" x 3/32" (2 Lb) - Walmart.com
Blue Demon ER70S6 X .035 X 11 LB MIG/GMAW Carbon Steel Welding Wire, All Position, Low Spatter, Formulated to Provide Porosity-Free, X-Ray Quality Welds - Arc Welding Accessories - Amazon.com
Tig Welding Carbon Steel - 309 filler rod - YouTube