Knockouts, Knockout Punch Drivers and Hole Punches
Knockouts, knockout punch drivers, and hole punches are hand tools that are typically used to punch a hole through sheet metal. The tool consists of a punch, a die, and a screw. There are three different drive systems: manual, ratchet, and hydraulic. With quality tools, jobs become more manageable and efficient. Graybar is here to offer tools that you can depend on again and again.