Mounting System:Quick-Clip Mounting System, Faucet Hole:No Holes Self-rimming sink seamlessly formed from #18 gauge stainless steel. Exposed surfaces are hand blended to a lustrous satin finish. Underside fully coated to dampen sound and prevent condensation. Faucet deck is recessed 3/16" from outside edge of sink. Coved Corners: 1" vertical and horizontal radius. Drain Opening: 3".