The Dial-A-Width Dado set performs like a stacked dado, but we have replaced the shims with a patented dial system and with our exclusive Dial hub, ensures accurate adjustments. Each “click” of the dial adjusts the blade by .004". The Dial-A-Width dado set is easy to use, and very precise. For the serious woodworker, there’s nothing better. Set includes 2 outside blades, 5 chippers and wrench. Adjusts in .004" increments Features Premium TiCo™ HI-Density Carbide Crosscutting Blend for Maximum Performance Silver I.C.E. Coating prevents build up on the blade surface and keeps the blade running cooler and cleaner All blades and chippers come with Freud’s anti-kickback design Ideal For: Cuts clean flat bottom grooves in materials such as veneered plywoods and laminates to solid wood.