Lincoln Electric MIG Pak 140 Wire Feed Welder is 120V; 30-140A Metal thickness: 24-gauge to 5/16\" Duty-cycle: 20% at 90A Wire feed speed: 50-500 inches per minute MIG and Flux-core ready, includes everything needed to MIG or Flux-core weld Heavy-duty wire drive motor No hassle tool-less design for wire spool mounting, wire drive service and polarity changes Includes welding gun and cable, ground clamp and cable, spare MIG and Flux core tips, MIG nozzle, Flux-core nozzle Also includes spindle adapter for 8\" spools of wire, single reversible drive roll, gas regulator and hose, sample spools of MIG and Flux core wire, instructional DVD and learn-to-weld guide