This thing cuts very quickly through plaster, wood battens and wood paneling that together make up a face of several walls in our house. It was way faster than the new and improved Irwin Speedbor "Max" (or whatever they call it) triple edge bits, which I think are pretty impressive on their own. However, once it fills up with waste, it stops evolving. Then it's time to get a screwdriver and pick out the junk. However, with its strategic placement of slots on the sides of this little cylinderβ¦