2 1/2″ – 4″ cutting dies, heavy duty case and 1-1/8″ draw Studs. This is an advanced Knockout tool used with a cordless drill to draw punch dies together for quick, accurate knockouts.

• Unique 3 point cutting surface provides a cleaner, quicker and easier cut for 1-4 dies
• Rated for 10 gauge stainless steel (3.5mm) as well as mild steel, aluminum, fiberglass and plastic
• Works with max punch punches, max punch 360 and other popular knockout Tools
• Cup creates Crimping effect on slug for easy removal
• Won’t bow panel or leave jagged edges