This hole saw attachment is an excellent addition to any industrial and scientific cutting tool kit. It is easy to install, saving valuable time and effort on the job site. The Rapid Eject feature makes ejecting cut material a breeze, further improving efficiency. However, it may not fit all hole saws limiting versatility... Overall, the Spyder 600113 Rapid Eject 6 625 Inch is a great investment for those looking to make clean and quick cuts..