This hammered bar copper sink is a beautiful piece of art, the rim is flat (1.5 wide), allowing it to be undermounted, the bowl is 15" x 15" and is rounded in the corners and the bottom.The copper sheet is 14 gauge (0.064" thickness). From a copper sheet the wise artisan hands transform it into this unique piece. The bar copper sink you are looking at has a standard 3.5" diameter hole that fits a standard drainage system. The hammer footprint is very visible. The reddish/oxidated texture is characteristic of natural copper when it is cooled down from red-hot temperature using cold water, technique that the coppersmiths use. The finish is in a natural-looking copper color. It will add a unique home accent making it a very special point of attraction in your kitchen."Hand-hammered and mold-cut to perfectionHandcrafted by Mexico''s Finest ArtisansWe include 1" long brown screws in all of our hammered copper switch plates