The Maestro outlets are not an off the shelf product. It took them a few years to make this all new ac outlet.
If this is not off-the-shelf, then it looks like Arrow-Hart is OEM with certain specs, which I'd be curious to know. All I can gather from cruzeFIRST site is this:
"high-purity copper/brass alloy mix with no plating"
Is it Olin #688 brass (>70% Copper content) or with even higher copper content than that? I would love to know some of the actual specs because I'm getting the itch to order one, but for $79, I would hate to find out I bought an Arrow-Hart with regular #688 brass.
I've already got a bunch of Oyaide R1's, Teslaplexes (love'em), Pass-Seymours, Hubbels, Levitons, ACME, in various cryo'd states in and around my system/drawers..