Diablo's Rounding over Router Bits soften furniture edges and creates decorative beads. With interchangeable bearings to cut rabbets of different depths, Featuring TiCo carbide with titanium, these bits provide a long cutting life and ultra-fine finish. Perma-SHIELD, Diablo's high performance coating, reduces friction and build-up on the bits. The bits kick-back reducing design allows for safer, more controlled cuts. These bits are computer balanced for a smooth and accurate cut. All Diablo router bits feature exceptional quality, unmatched precision and maximum cutting life.