42 Inch Stainless Steel Undermount Triple Bowl Kitchen Sink 15mm Radius Design with Accessories 16gauge premium grade T-304 stainless steel construction with an 18/10 chromium/nickel composition Stainless steel sink is a great centerpiece for any kitchen remodeling project ARIEL Series 15mm Radius Contemporary Design-Scratch-resistant commercial-grade premium satin finish Padded and Stone Guard undercoated insulation over a rubber pad reduces noise while sink is in use Exterior Dimensions 42" x 19"; Leftbowl Interior Dimensions 20" x 18"; Rightbowl Interior Dimensions 17" x 18"; Bowl Depth 10"