Undermount Stainless Steel Sink with Hardware & Cardboard Cutout Template Included * Outside Dimensions: 32" x 20 3/4" Center Drain: 3 1/2\" (89mm) Drain Opening * Brushed Satin Finish, Fully Insulated & Thick Sound Dampener Rubber Pad * Certified 18 Gauge Type 304 Stainless Steel, 18/10 Chromium/Nickel Content * Lifetime Warranty