To me it looks like to more expensive is standard collets with tungsten included. The cheaper looks like gas lens collets but no tungsten included. I could be wrong but all you have to go off of is the picture. You would probably be better off going to your local airgas, or calling them. Thanks. I ...

I am new to TIG welding. I just got a Lincoln Idealarc TIG-300/300 welder and it came with a Heliarc HW-20 torch. The problem is that it is just the torch body and is missing the collet, collet body, cup, and cap. I see two kits available from airgas and they are significantly different in price. Wh...