Granitech Sink - Cristadur Black Magma Color 2 Bowls Under Mount/Top Mount Installation Overflow Safety 4x High Impact Resistance (SPECIAL Fibreglass Product Cast Into The Sink Base) S-Pipe Automatic Drain Kit With Syphon Installation Pipes St Bowl Dimension Length: 304 Mm Width: 365 Mm Height: 210 Mm Round: 10 Mm 2nd Bowl Dimension Length: 450 Mm Width: 430 Mm Height: 210 Mm Round : 10 Mm Topmount Length: 840 Mm Width: 480 Mm Round: R10 Mm Undermount Length: 846 Mm Width: 486 Mm Round: R13 Mm