
This is steel not copper as stated. Lucky for me, that's what I wanted. The metal is strong and the shape effectively conducts heat through it. I mainly use it for glass teapots on electric coils and it works great no problem. I also sometimes use it for pots where I don't want to touch the coils directly. They're a bit small if you're using them with a really big pot, but they should balance a big pot well too, as long as you adjust them properly.

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