4x Rolls of Coated Copper Wire

4x Rolls of Coated Copper Wire.
All rolls have copper wire with outer plating in another unknown type metal, see photos.
Three rolls are 4mm wire, 200⁰C temp rating, 600V.
One roll is 0.75mm wire.
Lengths are unknown for blue and red rolls.
Black roll is 152m length.
16.3kg total combined weight.

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