Two bits break in minutes from good quality medium soft wood. We are not beginners - and we understand how to work properly with a router table. Adjustable table and dust collector - so that nothing stands in the way of the chisel. First, the pilot bearing on the smaller drill was sooty. I replaced it - and then it shattered into fragments in the store. After 3 days - another crack on the front edge of the cutter. The rest ends up in the trash.