The Klein 53819 7/8-Inch Knockout Punch is for 1/2-Inch EMT conduit and features an optimized design that reduces wrench effort. Slugs are split inside for easy removal. It has a maximum capacity of 10 gauge mild steel, and it also cuts aluminum, fiberglass and plastic. Punches holes cleanly and accurately.

• For 1/2-Inch EMT conduit
• 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