Kitcken Sink Stl Dbl 32x21bone Porcelain on steel double bowl Flat rim, 4 hole punch, contains two 3-1/2" outlet for duo strainers For use with 8" center set ledge type fittings Exterior dimensions: 32" x 21" x 7-3/16" Interior dimensions: 14-3/4" x 13-1/2" x 6-7/8"