18/10 Stainless steel mirror finish rectangular sinks. Take full advantage of the space in your galley, create your own multibowl sink with two or more rectangular sinks. Mirror Finish basins are not recommended for exterior use due to the reflective nature of the polished stainless steel. 2-1/16" Drain opening, 1/2" flange, Profile A. Size 12-3/4" x 13-1/2" x 6" D