We needed the gap in a granite countertop shaved to accommodate a new sink that was larger than the previous sink. Q-Stone arrived within an hour of our phone call, took a look at the project, explained their process, and went to work. They measured carefully, primed the area to control dust and debris from the cutting, shaved the granite to fit the new sink perfectly, and cleaned up after themselves. They were skilled, polite, professional, and efficient. We were able to install the new sink that afternoon and it fit exactly. Highly recommended.