Nope, thats a cast aluminum "compensated" bridge for strictly archtop hollowbody guitars. I have a similar one installed on my old EKO archtop.
http://img92.exs.cx/img92/2543/body0255ga.jpg
BTW, that piece of crap being sold on EBAY is definitely not worth $48.00, look how hacked up it is! I got mine, in mint condition, for 10 bucks!
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I thought it was an auwful lot.. hmm what should the bridge then look like? maybe if I know what it looks like i can track it down easier, as no one ever bothers to include the measurements