Bosch HE1 2-Piece Hole Enlarger Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Integral Quick Change adapter provides fast hole saw changes and easier plug removal</li><li>Large and small washers allow two different hole saw sizes to be used together</li><li>Adapter for hole saw enlargements</li><li>Three washers</li></ul></div><img src="http://ecx.images-amazon.com/images/I/319vUomeGjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/71wVbczONPS.png" noproxy>