Double compartment self-rimming topmount sink with faucet ledge and drain board. Drain board is located to the right of sink bowl and is sloped for drainage. 18 gauge (1.2mm), type 304 (CNS 18/10) stainless steel. Exposed surfaces are #4 satin finished. Undercoated to reduce condensation and resonance. Waste fittings included. Certified to ASME A112.19.3-2008 / CSA B45.4-08. Center back waste location, includes 3 1/2" (89mm) crumb cup strainer with 1 1/2" (DN38) brass tailpiece.