A must set for vehicle body replace Spot-welding attach sheet metal to cars but it can be a real bear to remove these welds when your car needs to repair or replace panels. These spot weld cutters are designed to carve right through the joints on metals without needing to spend lots of time grinding and creating less damage. The spot weld drill cuts through existing spot welds and releases damaged panels. The mill cutter is suitable for drilling out spot welds on most vehicle panels including galvanized, boron, high-stress steels and allows the removal of the top panel only, leaving the back panel intact. The pilot pins ensure accurate cuts. Package List: