Overall I am very happy with my purchase. I'm only knocking on it because the bits weren't secured and one of them was slightly damaged in transit. It was the bit I needed so I just took it instead of sending it back. The damage was really superficial. chipped paint This does not affect the balance and the blades are not damaged. The drill itself cuts well. Do this slowly, making sure the cut isn't too deep. I've only managed about 50 feet so far, but I'm happy with the overall results. I don't