Every Club Series undermount sink features heavy 18 gauge T-304 stainless steel, a lustrous satin finish with highlighted rim, StoneGuard undercoating, and the SpecPlus Edge. An attractive, functional stand-alone or a creative companion sink. 9-5/16" x 17-15/16" overall dimension with a 5-1/2" depth. 3 1/2" drain opening, Fits 18" cabinets