The RSS1515SB Single-Bowl Stainless Steel Kitchen or Prep Sink in Brushed Stainless is the most innovative kitchen sink from Rohl. It is fully insulated using Quiet Coat, a sound-deadening technology. It has zero-edge sidewalls with Tangent Edges. It is an easy-to-clean kitchen sink particularly on the bottom edge radius. This ROHLs RSS1515SB Prep Sink in Brushed Stainless is also available in stainless copper. Stainless copper features the look of copper with the durability of stainless steel while brushed stainless offers a brilliant shine. This sinks internal measurements are 14 31/32 x 14 31/32 x 9 27/32 inches while it measures 16 15/32 x 16 15/32 x 9 27/32 inches externally. The standard drain opening measures 3 ". This Single-Bowl Prep Sink carries the ROHL brand logo. It is packaged with mounting brackets. The WSGRSS1515 stainless steel grid is recommended to avoid stains on the bottom of the sink. For this product, ROHL offers a limited lifetime warranty on manufacturer defects. The stainless copper finish is not covered by a warranty except for manufacturer defects. With ROHL, you are sure to find that very special sink when seeking a metallic opulence for your culinary spaces.Features:Constructed of 16 gauge commercial grade stainless steelFully insulated underside with Quiet Coat sound deadening technology and insulated underside also prevents condensation dripsZero-radius, precision cornered side wallsGuaranteed to never stain, bend, or bowDrain opening positioned center