AMZCNC Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set ((Conduit Hole Size) 1/2" Knockout Punch)

Successfully punched a clean and proper size hole in a vertical storage cabinet.

I never did use this tool. Who knows, it might work great! I had purchased it as a backup for the 1/2" K/O cutter in our Greenlee knockout kit. This will not work with the Greenlee ratcheting handle. It is a stand-alone Knockout cutter.

If you need to punch a whole in an electrical panel for a 1/2" romex connector this is the tool.

all is fine. no need to buy again

worked like it should