This double-bowl hammered kitchen copper sink has two standard 3.75 diameter holes, one per bowl. The upper border is 2" wide on the front, 2" left and right sides, 1" in the middle and 4" in the back, where the small bowl is and 2" where the big bowl is. The bigger bowl is 17.75" long by 16.5" wide by 10" deep and the smaller one is 16" long by 11.5" wide by 8" deep. The apron is flat and its height is the total and equal to 10&qout;.The copper sheet is 14 gauge (0.064" thickness). The hammer footprint is very visible, giving it its own character. The reddish/oxidized texture is characteristic of natural copper when it is cooled down from red-hot temperature using cold water, that specific characteristic is what makes it so beautiful.The techniques used by Mexican craftsmen is the same one used for several centuries, where no sophisticated tools are used, just the furnace to heat the copper and a hammer to give it the shape. The finish is in a dark brownish color. Along your home decoration, this piece it will become your kitchen focal point."