Seamlessly formed from #18 gauge nickel bearing stainless steel. Exposed surfaces are hand blended to a lustrous satin finish. Sound Guard undercoating prevents condensation and deadens sound. Designed to accept a waste disposer. Bowl Depths: 10' (left), 5-9/16' (center), 7' (right). Drain Openings: 3' All Elkay undermount sinks are designed to affix easily to the underside of any solid surface countertop. Includes template and countertop mounting clips.