Premier Copper Products KSDB25199 25-Inch Hammered Copper Kitchen Single Basin Sink, Oil Rubbed Bronze Dimensions: inner 23-Inch by 17-Inch by 9-Inch, outer 25-Inch by 19-Inch by 9-Inch. Installation type: under counter or surface-mount Installation type: under counter or surface-mount Copper sink is optimized to allow ample room to deck mount your faucet in a standard countertop Drain size is 3.5-Inch Handmade, 100-Percent recyclable and made of 99.7-Percent pure recycled copper