This Punch Set can punch clean and accurate holes in electrical panels. The 1/2-Inch Knockout Punch 3-Piece set can cut up to 10-gauge mild steel. It can also cut through aluminum, fiberglass, and plastic.

• Punch Set optimized design reduces wrench effort
• Slugs are split inside for easy removal
• Maximum capacity of 10 gauge mild steel
• Also cuts aluminum, fiberglass and plastic
• Punches holes cleanly and accurately
• Set includes 1/2-Inch (13 mm) punch and die with 3/8-Inch (9.5 mm) draw stud