Greenlee Replacement Knockout Punches

• Round standard replacement metal punches must be used with a matching die and draw stud to operate
• Punches quick clean holes through metal up to 10 gauge (check specs for specific punches)
• Can be used with battery-powered, hydraulic, ratchet or manual drivers
• Properly assembled through pilot holes, will make clean, fast and accurate holes
• After cutting the slug falls free in the die, and a quick tip drops it out