Mounting System:Quick-Clip Mounting System, Faucet Hole Spacing:No Holes Self-rimming sink seamlessly formed of #20 gauge stainless steel. Exposed surfaces are polished to a lustrous highlighted satin finish. Underside is fully coated to dampen sound and prevent condensation. Bowl is recessed 3/16" below outside ledge of sink. Coved corners: 1" vertical and horizontal radius. No faucet ledge; for use with deck-mount faucets. Bowl depth: 6-1/8" Drain opening: 2" Available with a U-Channel or Quick-Clip mounting system; see options to select.