I'm on a tight budget and can't afford the more expensive end products. I found these and decided to try them out. Care must be taken with this: as another reviewer noted, they don't do as well when running a countersink locking ring around the flutes, but I've had good success aligning them carefully on the drill and not in the flutes. and there were no problems. The bits are strong, sharp and have not given me any problems when working with pine or oak. They have their quirks typical of their