SimplyCopper 16" Rectangular Copper Bar Prep Sink with 2" Drainhole SimplyCopper 16" stylish bar and prep copper sink is designed for everyday living. This Bar/prep sink is designed to be the perfect size for any kitchen design. Handmade from 18-Gauge copper this sink is designed to last . Installed as a drop-in or under-mount. Outside Dimensions: 16" x 14" / Inside Dimensions: 14" x 12" / Depth: 6-1/2" Drain Opening: US standard 2" 18 Gauge Copper Shown in Aged Copper Installation: Drop In / Under Mount (1" flat lip)