Stainless Steel 18-Gauge Undermount Utility Sink. 304 SS with Satin Finish. Overall Measurements: 23-1/2" x 17-3/4" x 9". Bowl Measurements: 21-1/2" x 15-3/4" x 9". Drain Opening: 3-1/2". Insulated Bottom. Template & Mounting Clips Included. Strainer Sold Separately, part # STRAINER-200. *UPC Certified Please note that this item must be shipped via common carrier.