Kraus KBU14-KPF2121-SD20 31 1/2" Undermount Single Bowl Stainless Steel Kitchen Sink with Kitchen Faucet and Soap Dispenser Premium t-304 stainless Steel construction Sound insulated with thick rubber dampening pads & stone guard undercoating Commercial-grade Satin finish is scratch and stain-resistant Lead-free solid stainless Steel construction Premium t-304 Steel with superior finish is corrosion & rust-resistant