It works on materials such as mild steel, aluminum, fiberglass and plastic.
Speed Punch,3/4 in,10 ga This 3/4" punch splits slugs in half for easy removal from the die or stud. The Greenlee 3/4" Speed Punch is perfect for any type of job where you need to make quick holes in sheet metal materials. The speed punch can be set up in just three steps, allowing you to complete the job faster.