For the electricians and contractors out there, this Greenlee Slug-Buster knockout punch is the real deal. This 2.520-inch (64mm) replacement tool is built tough for professional use on mild steel, aluminum, fiberglass, and plastic materials. What makes the Slug-Buster special is its unique design that actually splits the slugs for easier removal - no more struggling to get those metal pieces out. It works with all kinds of drivers too - battery-powered, hydraulic, ratchet, or manual - so you can use it with whatever equipment you already have. Just remember you'll need the matching die and draw stud to operate it (this is just the punch part). This is the same tool contractors worldwide trust for clean, precise holes every time. Whether you're working on commercial jobs or residential projects, having reliable tools like this makes all the difference in getting the job done right. Greenlee has been in the game forever, and their tools consistently deliver that professional quality we all count on. If you're tired of subpar punches that don't last, this one's definitely worth the investment.