2 different torch tips for mig?

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I purchased a Lincoln Pro-135 Mig today at a local pawn shop for $150. It came with the regulator&hose,and 2 torch tips. One of the tips is copper and comes almost flush with the tip leaving a gap around the tip and the other one seems to be made of plastic and is tight fitted to the tip leaving the tip about a half inch past this plastic piece. My question is this, what in the world is the plastic torch for?
Reply:Its for flux core or self shielding wire.  No gas.DavidReal world weldin.  When I grow up I want to be a tig weldor.
Reply:It's a fluxcore nozzle.  it's used when you are not running gas.I'm a Lover, Fighter, Wild horse Rider, and a pretty good welding man......
Reply:Unit Includes Gun• Magnum® 100L gun and 10 ft. (3.0 m) cable assembly with brass gun connection and 4-pin MS-Type connection for trigger control (K530-6)• .025" (0.6 mm) Contact Tips (Qty. 3)• .035" (0.9 mm) Contact Tips (Qty. 3)• Gasless Nozzle for Innershield® welding• Gas Nozzle for MIG welding That could be the nozzle...BobBob WrightSalem, Ohio  Birthplace of the Silver & Deming Drillhttp://groups.yahoo.com/group/southbend10k/http://groups.yahoo.com/group/sawking/1999 Miller MM185 w/ Miller 185 Spoolmate spoolgun
Reply:Thanks guys. I thought thats what it was for but didn't make any sense to me I figured that it may have been an odd piece or something. Thanks again.