Toothed 10Ft MIG Welder Spool Gun Wire Feeder Aluminum Welder Use Standard Spool. Blue and white wires are for 24V DC power. The Rest two wires are for trigger. The item "Toothed 10Ft MIG Welder Spool Gun Wire Feed Aluminum Welder Use Standard Spool" is in sale since Sunday, August 26, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding\Welders, Cutters & Torches\MIG Guns & Torches".The seller is "welding-expert" and is located in , . This item can be shipped worldwide.