Quote:
Originally Posted by Radio Wrangler
TIG welding electrodes. The red marked ones are thoriated (2%) Tungsten. More available now than old gas mantles.
David
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But not from Amazon (or, at least, not the ones I tried - yes, they did have red tips) others suggested visiting a local garage or someone who welds locally and asking for an electrode from them, unless you can use a pack of them?