This Undermount Single Bowl Sink by Empire is available in 16-gauge or 18-gauge 304 stainless steel and features a d-shape. The 16-gauge stainless steel sinks are undercoated over the bottom rubber pad and four side pads, while the 18-gauge sinks are undercoated over the bottom rubber pad to reduce noise. The kitchen sink is designed to be undermounted and can be installed under any solid surface. The sinks measure 23" W x 21" D overall and come with a paper template and mounting clips. An optional bottom grid and strainer are also available (sold separately). Ships via UPS.