Elkay's custom undermount sinks are now available with a high-shine reveal, giving you even more design options. These sinks can be installed with a recessed countertop, showing the highlighted inside top bowl radius. 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 Drain Opening: 3' Bowl Depth: 7' All Elkay custom undermount sinks are designed to affix easily to the underside of any solid surface countertop. Includes template and countertop mounting clips.