Originally Posted by SquidPuppet

I didn't speak with Chris King himself. Their literature doesn't specify which grade aluminum was used in their headsets, so I asked if it was 6061 or 7075, and which grade. I was told that it was a proprietary blend made only for them, and they wouldn't release that info. I said that I didn't want the actual recipe, but asked if they could give me a hardness rating. The guy on the phone ratcheted up the condescending elitist tone and said those specs are never revealed. Whatever.....I bailed.