The Elkay DRKAD2217500 is a top mount classroom single bowl sink with the quick clip system for quick and convenient installation. This one bowl classroom sink features a lustrous highlighted satin finish. It is constructed out of a high-quality, #18 gauge, type 304 nickel-bearing stainless steel ideal for heavy duty work and long-lasting performance. With a high tolerance against heat and excellent forming and welding characteristics, this sink is designed to sustain long term use. This Elkay DRKAD2217500 Top Mount Classroom Sink is furnished without holes. The 3.5-inch drain hole is located at the center. This high-quality classroom sink is equipped with a Sound Guard coating on the underside to help minimize noise. The bowl dimensions are 16 inches long, 13 1/2 inches wide, and a depth of 4 7/8 inches. The overall dimensions of the sink are 22 inches long, 17 inches wide and 5 inches deep. This Elkay DRKAD2217500 Classroom Sink also complies with ASME and IAPMO requirements.