Greenlee 735BB Knockout Punch Kit, 1/2 to 1-1/4

Using the Greenlee 735BB Knockout Punch Kit is easy. First, choose the right punch - die set according to the size of the conduit you're working with. Then, use a battery - powered, hydraulic, ratchet or manual driver to operate the kit. Make sure to assemble it through pilot holes for clean and accurate holes. When using, be aware that this kit is suitable for mild steel up to 10 - gauge. Avoid using it on materials that are too thick or hard. After each use, clean the punches and dies with a dry cloth. Store the kit in the provided high - impact plastic case to keep it in good condition and prevent damage.