Freud's quality and craftsmanship in a stacked dado set, but at a wobble dado price!negative hook angles make flat bottom grooves and virtually splinter-free cuts.has (2) outside blades with (5) 2-wing chippers.makes it ideal for underpowered saws because it requires less power to feed.blades and chippers come with Freud's anti-kickback design.resharpenable set will produce grooves from 1/4' to 13/16" in 1/16" increments.dado set comes with a shim set and carrying case as well as instructions on how to make basic dado sizes. Application: A Stacked Dado For Flat Bottom Grooves and Virtually Splinter-Free Cuts