One mold metal pot, it's really stainless steel, it looks like some kind of coating. There was a burr on the ribs from the mold that needed to be smoothed out with a file or some sort of grinder. Because the wires aren't properly aligned so they run down the middle of the fins, they tend to get caught on this ridge. If I forced it, the wire would likely break (which happened to the other reviewer). I can fix it with a drill and a small grinding wheel or a small file, but the finished product shouldn't be too bad. Not wanting to break the wires I tested it by squeezing a hard boiled shelled egg thinking it was the wires with the device open rather than using it as intended. This should work fine once I sand off the burr, but it's too expensive. Since you can buy the plastic ones at the dollar store and given the quality I've seen with apple seeds for the same price. I would say that this is too high a price for what it is. Quality could be improved, not recommended.
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