The Black Quartz 33 in. 60/40 Double Bowl Composite Drop-in Kitchen Sink features a large and small bowl configuration, with an overall length of 33 in and width of 22 in. The left bowl measures 17-1/8 in x 19 in x 9 in and the right bowl measures 11-1/2 in x 16-3/4 in x 9 in, fitting a minimum cabinet size of 33 in. The drain opening size is 3-1/2 in and the sink is compatible with most garbage disposals. It comes pre-drilled with 1 faucet hole and has additional holes marked on the underside of the faucet deck. The sink weighs approximately 40 lbs and is cUPC certified. Accessories included are a template and clips. All measurements are accurate to within 1/4 in.