The Elkay K233191 Double Bowl Kingsford Top Mount Sink. This stainless steel classroom sink is rectangular-shaped and is designed for a top mount installation. The Elkay K233191 sink has beautiful coved corners with a 2-1/2" vertical radius and a 2-3/4" (70 mm) horizontal radius. The overall dimensions of the sink are 33" x 19" x 6-1/16". The sink is furnished with one faucet hole. The 3-1/2" drain holes are located at the center of both bowls (refer to the specification sheet). The sink has a satin finish. It is constructed of a high-quality #23-gauge type 300 nickel-bearing stainless steel. The underside of the sink has a special coating to reduce condensation and to dampen sound. The Elkay K233191 Double Bowl Kingsford Top Mount Sink complies with ASME A112.19.3/ CSA B45.4. and is listed by IAPMO. It has a limited lifetime warranty from the date of purchase. All Elkay products are made in the USA.