Swanstone QZSB-3322.075 Drop-in Single Bowl Sink, 33-Inch x 22-Inch, Bianca The design of this large, single bowl sink combines high functionality with clean, elegant lines Made with 80% quartz stone, only a diamond is harder Can be installed as a drop-in or undermount, offering design flexibility Pre-drilled with 1 hole and can be drilled up to 2 additional holes Standard size is ideal for remodeling or new construction The design of this large, single bowl sink combines high functionality with clean, elegant lines The hard-working chef in your home will have plenty of room for large pots and pans Offset drain location optimizes workspace Standard size makes this a perfect sink for remodeling projects Can be installed as a drop-in or undermount, 9" (229mm) deep bowl