Tools, planer tool, reamer, woodworking knives, serrated knives and other tools, brazing head, cutter, drill bits, such as coal mining tools, alloy drill bits, carbide saw blades, diamond saw blade (wheel), turbo chip, copper parts, automotive steering gear, solar heat pipe, welding and cutting nozzles, such as brazing. Advantage: Easy to operate, save your time, safe and efficient.