The rear drain placement ensures dishes don’t settle on the drain and prevent water flow while the drain grooves in the basin channel water towards the drain, keeping your sink clean and dry. 16x18" Undermnt Bar Prep Tight Raduis 16 Ga Kitchen Sink SS Sgl Bowl.The edgeX 10mm tight radius inside corners of the bowls offer a slightly curved corner for easy cleaning while at the same time retaining the resolutely modern look.