MATERIAL Premium quality Type 304 nickel bearing stainless steel FEATURES 22 gauge topmount Scratch resistant matte finish Mirror highlighted rim Heavy duty sound absorbent coating & padding Intelli-Pressed seamless one-piece construction Drain openings: 3 ½” Drain placement: centered Mounting hardware included Limited lifetime warranty Complies with ASME A 112.19.3-2008/CSA B45.4-08 Package includes: (1) Sink bottom protection grid: GWS1109 (1) Basket strainer: S8000 Welcome to Wells where water meets art. From premium stainless steel kitchen sinks in classic designs, to unique vitreous china lavatories and shimmering art glass vessels, you will find the perfect expression of your artistic vision in our extensive lines. Wells is centrally located in Chicago, Illinois for convenient shipping across the country. Included in each order is our commitment to quality, value and service.