As it doesn't have a bearing it obviously wasn't designed for use with a rail, in a router table or on a CNC machine in a jig or edging . This Cae is exactly what I wanted and I'm not disappointed at all. I now have a few Yonico bits and they all work as expected. The only improvement I wish the factory edge was a bit sharper. On the other hand, the blades are not of Freud or Whiteside quality, but in contrast to cheap bits they are quite sharp and cut cleanly.