Bits are sharp enough to cut on. The bearings appear to be of good quality. The problem is in the bearings. The set screws are the same size for 1/2" and 3/4" bits but are smaller for 1" bits and are wrecking my box hitch. Also, it would be nice if the bits came with the matching hex keys as the set screws by such a small size These 3 bits now relate to just being straight.