Sink looks great, great price. I'm almost totally satisfied. I don't know the technicalities of it or the correct terminology but since it is a sink that sits on top of marble or some other substance the connector pipe has to be longer than what was supplied or what you would use with a regular sink that is inset. We had some kind of plywood as a top and then theplywood had marble on it. It was a solvable problem but took extra time and expense to solve.