Here is a current listing for one just like what I bought httpwww.ebay.comitmRareN...x?ptGuitarhashitemdbbe You can see on it what kind of bridge that it has. 그래서.... 안장을 직접 교체할 수 있는 안장 업그레이드가 있다면 어떤 아이디어가 있나요? It is only held onto the body with three screws.