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)

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)

AMZCNC 1/2" Conduit Punch and Die for Hydraulic Knock Out Driver 7/16"-20UN Thread ((Conduit Hole Size) 1/2")

AMZCNC 3/4" Conduit Hole Size Knockout Punch Unit with Manual Draw Stud – (1.115" – Actual Hole Size)