The Premier Copper 17-Inch Square Hammered Copper Bar/Prep Sink with a 3.5-inch drain opening will add a stylish element to your bar or prep area. Will support garbage disposal. This beautiful sink features square hammered copper surface made of 16-gauge recycled copper. Dimensions: inner 15-inch by 15-inch by 9-inch, outer 17-inch by 17-inch by 9-inch. Installation Type: under counter or surface-mount. 1-Inch flat rim. The countertop depth measures 20-Inch front to back.