The Festool 490565 HWKLS D228-OFK Edge Trimming Cutter from ITS is a specialised router bit for the OFK 500 Router. The edge trimming cutter has been designed specially for the edge. It can be used for both plastic and solid wood edges. Very simple installation with a screw. The cutter offers a long service life thanks to the carbide blades while the radius of the cutter is exactly coordinated to the ball bearing