Undermount Granite Composite 32 in. Single Basin Kitchen Sink Kit in BlackKRAUS undermount granite sinks create an instant style upgrade for the kitchen. Constructed from 80% natural granite, with the look and feel of real stone, these modern kitchen sinks look striking in a variety of settings. Clean lines and thoughtful design details highlight the organic elegance of granite, for an eye catching look with contemporary appeal. The extra deep basins accommodate large dishes with ease, while the gently rounded corners make