Quote Originally Posted by auminer View Post
There's 2 different kinds.





Top one in this pic looks for all the world like it's solid Al, but it's way too heavy. Ratt bastard file reveals a copper core in the bottom part, with Al fins.

Bottom one is in maybe 10-15% of these units, and looks to be ~15 or 20 cents worth of Cu in a block at the bottom, then a couple of Cu 'pipes'. ... Unless I could get that block out in about 2 seconds and not a high risk of slicing off a finger, I'm not really interested in fighting with it.
Maybe you could sell them in lots to people that like taking them apart to collect the interesting copper shapes. The tube ones don't look like they would be worth taking apart for the copper if it's just copper tubing in them.