This is copper wire that is pre-tinned. A few other people claimed that it was aluminum, but I’ve bought this stuff a few times now, and have been very pleased with the overall quality.Maybe because the wire strands are .08mm, and closely wound, it gives the appearance of aluminum or CCA wire, but for sure it is tinned copper. The silicone is very nice and flexible too. I use this wire for 1/10 scale RC cars, batteries, etc.
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