Kraus Forteza 33" Drop In Undermount Single Bowl Granite Kitchen SinkForteza Series granite kitchen sinks are crafted from premium quartz composite material, delivering the elegant appearance of natural granite. Featuring gently rounded corners and a smooth, non porous surface, these sinks bring sophisticated style to any kitchen while helping ensure easy maintenance. Installation is easy with a dual mount design that allows you to install as an undermount sink or drop in sink with any kind of countertop material