Sink itself is beautiful but not self rimming, there is a gap between counter and sink on all 4 side of at least 1/8", requiring a lot of caulk and time to address. The gaps feather out to the corners which are flat. It wouldn't be so bad if sink was bright/porcelain white but it's more of a soft white making the caulk noticeable. I installed 2 side by side and thought the first was 'bad' but second was the same. In addition both had finish flaws, one on backside of left corner and the other in the bowl itself. It looks like there was a piece of sand on the surface that ultimately flicked off leaving a small (2mm) but noticeable pock mark. Because they're cast iron this will ultimately lead to finish failure. I will be reaching out to both Wayfair and Kohler, at over $350 each this is pathetic quality control. Will update with customer service experience on both. 2 stars only because of beautiful design/aesthetics , otherwise zero stars.