Duelund 12 ga. The reviews are mentioned in an earlier post. A well known speaker manufacturer steered to them as he said they had embarrassed all the big ticket cables they were using. $8.00 a foot!!! Tried them and they surpassed the top of the line hiDiamond and wywires diamond cables I had. In one review (perhaps one of the ones shown in the prior posting) the reviewer replaced high priced High Fidelity cables with them. All systems are different but in mine they are quite something. Here is an excerpt from the positive feedback review: "Generally speaking, all of the Duelund DCA tinned-copper cables share a unique combination of intensity of tone color, dynamic prowess, timbral realism, vivid presence, and a compelling portrayal of beat and tempos, that distinguishes them from copper or silver cables, and makes them immensely satisfying to listen to music with"