Swanstone QZ03322SB.077 Granite 1-Hole Dual Mount Single-Bowl Kitchen Sink, 44-in L X 22-in H X 9-in H, Nero Made with 80% quartz stone, only a diamond is harder The design of this large, single bowl sink combines high functionality with clean, elegant lines 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 Virtually indestructible will not damage from kitchen use Recommended for high-use traffic areas and commercial surfaces Heat resistance to 392F, 200C Limited lifetime warranty 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