Freud SD606 6-Inch Dial-A-Width Dado Performs better than a stacked dado set Allows users to adjust the width of a cut via a patented dial hub capable of micro adjustments Each click of the dial adjusts the blade by .004-inch; adjustable width range of 1/4- to 29/32-inch Includes 5 chippers; 4-1/8-inch and 1-3/32-inch chippers Limited lifetime warranty