On looking closer though, it's a very bad deal. The KO script is off to one side, which I didn't notice at first. Scrolling down, they looked familiar, I looked again, and saw they're KO's.

Three Battle Gaia limbs

Price is a bit ambitious, I got the set boxed for about a third of that. They are, as stated in the auction, pretty good quality, and make a great cheap stand in for a real one, but the keyword there is cheap.