Configuration:Polished Rim with Overflow, Faucet Hole Spacing:No Holes, Stainless Steel Gauge:18 Gauge Seamlessly formed of #18 gauge nickel bearing stainless steel. Exposed surfaces are hand blended to a lustrous satin finish. Underside is fully coated to prevent condensation and deaden sound. Diameter: 18-3/8" (outside), 16" (inside) Bowl Depth: 8" Offered with a polished rim, for revealed rim installations, or an un-polished rim, for hidden rim installations. Available with or without overflow assembly. All Elkay undermount sinks are designed to affix easily to the underside of any solid surface countertop. Template and countertop mounting clips are packed with every sink.