This product is suitable for industries such as hardware processing, advertising letter production, automobile maintenance, sheet metal, etc. It is particularly suitable for small area punching during spot welding or riveting materials, especially in the advertising processing industry. It is used to punch holes for screws, rivets, water leakage holes, etc. required in the processing of metal signs and luminous characters in a flat and beautiful manner, solving the problem of difficult drilling and easy deviation of electric drills, and improving work efficiency.