I am not 100% sure. I used a magnetic pickup tool to pick it up, since the oil is too sticky, it always stick to the magnet. But I feel like it is because of the oil, because it has to touch it to pick it up. I will try it again tomorrow.
The bottom 2 photos are plastic , but the first 4 photos are silver metal. Not 100% sure ferrous or non ferrous.
Thank you.
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