I have pulled several apart in the last few days & found the plastic coated wires, with the clips weight about 250grams.
@NZ$3 a Kg for plastic coated wire, they are worth about NZ$0.75cents for each bunch of wire.

NZ$1.00 = US$0.82 cents so say they are worth about US$0.60cents each bunch.

Theres a few with solid copper sheet heatsinks & one power supply had a off board power regulator that was still holding electricity.....