The PR1213 offset double bowl undermount sink is constructed from 304 grade stainless steel and is available in your choice of 18 or 16 gauge thicknesses. The surface has a brushed satin finish to help mask small scratches that occur over time and keep your sink looking beautiful for years. The overall dimensions of the PR1213 are 31 1/2" x 20 7/8" x 9 1/4" and a 33" minimum cabinet size is required. This sink contains a 3 1/2" offset drain, is fully insulated and comes with sound dampening pads. As always, our stainless steel sinks are covered under a limited lifetime warranty for as long as you own the sink. 16- or 18-Gauge Steel Available, Certified High-Quality 304 Stainless Steel, Brushed Satin Finish, Offset Drain, Thick Sound Dampener Rubber Pad, Fully Insulated, One-Piece Construction, Cardboard Cutout Template Included, Installation Hardware Included, cUPC Certified (Uniform Plumbing Code), Lifetime Warranty