The 7 PC Assorted Router Bit Set is perfect for both professional and amateur woodworkers. The carbide edges on all of the bits will give you a smooth finish on your wood projects. All the included router bits have a ¼” shank, making them fit with all ¼” shank routers! Whether you're cutting dadoes or edge joints, this set has got it covered with a variety of 7 different bits. Plus, these bits have a max of 30,000 RPMs which gives you maximum power to get the job done quickly and efficiently. These bits are compatible with all ¼” shank routers and the wide assortment you get with this set will allow you to accomplish a variety of different cuts and applications.