Whitehaus WH608ABM-POSS Oval Ball Pein 16-Inch Hammered Textured Undermount Lavatory Basin with Overflow 1 1/4 inch center drain Undermount sink With overflow Overflow Included Undermount Installation 1 1/4-Inch Center Drain Polished Stainless Steel Finish Inside Bowl Dimensions: 15-Inches by 11-Inches by 4 5/8-Inches