Manuals Brands Harbor Freight Tools Arc Welders Harbor Freight Tools Arc Welders Manuals ProdManuals has more than 3 Harbor Freight Tools Arc Welders manual(s) covering 3 model(s). 2 7 8 Models Document Type 2 225 Amp_AC, 240 Volt, Stick Welder 7 70 Amp_AC, 120 Volt, Stick Welder 8 80 Amp_DC, 120 Volt, Inverter Stick Welder