American Standard Colony 31-3/8 x 20-1/2 Inch Stainless Steel 3-Hole Drop-In Double Bowl Kitchen Sink 20DB.8312083S.075 Features Durable 20-Gauge Stainless Steel Convenient Top Mount Installation Installation hardware, cutout template and instructions included 27″ Cabinet Required Equipped with SoundSecure rubber sound pads on the bottom of your sink to reduce excess sound and vibration Features StoneLock multi-layer spray insulation to help with sound absorption and to minimize condensation on the underside of your sink Limited Lifetime Warranty Waste fitting included