Blanco 441310 Performa Silgranit II 1-3/4 Medium Bowl Sink (White). This 1-3/4 bowl sink has an aesthetically pleasing low divide that accommodates larger pot handles and other oversized items. Each of the bowls is 10" deep, and it is constructed of 80-percent solid granite. This sink is heat resistant up to 536-degrees, and is resistant to scratches, stains, and all household acids and alkali solutions. This model comes in a clean, White finish.