Solid core wire TIG GTS-309 1. Type: TIG: GTS-309 2. Size: 1.0, 1.2, 1.6, 2.0, 2.4, 3.2mm ... 3. Shielding gas:Ar Specifications:Solid core wire TIG GTS-309 1 ... . Type: TIG: GTS-3092. Size: 1.0, 1.2, 1.6, 2.0, 2.4, 3 ... dry. Open the packs just when welding to avoid the wire rust.2. Before welding please clean out the oil, rust, water ...