Diablo's Bearing Flush Trim Router Bits provide a smooth, burn-free cut. Two flutes provide faster cutting and three flutes yield a superior finish. 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.