Undermount, D-Bowl Shaped Kitchen Sink. The perfect everyday single bowl kitchen Sink. It's unique shape allows for it to fit into smaller spaces or tighter layouts while still being big enough to get the job done. Colander drain and bottom grid is included with sink. Nantucket Sinks stainless steel sinks have thick rubber dampening pads to dampen sound. Our finishing process helps keep our stainless steel corrosion-resistant to rust and oxidation. The satin finish makes daily maintenance a simple rinse. Features a limited lifetime warranty.