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Standard length fit my torch perfectly and the arc stayed steady through a whole afternoon of practice welds. Good to know they also come in extended length if I ever need more reach.

Went with the extended length for reaching into tighter joints on my exhaust work, and it made a noticeable difference compared to the shorter ones I had. The arc stays steady and the tip hasn't deformed even after a few long sessions.

I went with the extended length for reaching into tighter joints and it does the job without flexing much. Only gripe is the price runs a bit higher than the standard size. Still, it's held up through several projects so far.