Humboldt Round Cast Concrete Vessel Sink - Dark Grey with Textured FinishImmediately, the shape of this cast concrete vessel sink captures the imagination, while the quality of the product lives up to the hype of the design as well. This sink accepts standard bathroom drains and matches well with towering vessel faucets. Overall Dimensions: 8 7 8" Diameter x 6 1 8" H ( 1 2") Interior Dimensions: 8 1 8" Diameter ( 1 2") 5 1 4" Basin Depth Cast Concrete Construction (Dark Gray Finish) Sink Machine and Hand Polished for