Bosch 3 Piece Diamond Hole Saw Set fast and easy starts, even when working with the hardest materials such as porcelain and granite. This set features the Quick Change™ universal hole saw system, allowing you to switch to any size or type of hole saw in seconds, enhancing your efficiency on the job. Designed specifically for use with machines intended for wet sawing and on a GFCI-protected circuit, this hole saw set ensures both safety and performance. Model Number: