Greenlee 1731 C-frame Knockout Punch Driver Greenlee 1731 C-frame Knockout Punch Driver The Greenlee 1731 C-frame Knockout Punch Driver is a tool used to install knockout punches in electrical boxes and panels. Specifically, it is designed to help create precise holes in metal (typically steel or aluminum) enclosures, where knockouts are needed for conduit fittings, cable glands, or other electrical components. Here?s a breakdown of its purpose and function: C-frame design: The C-frame structure allows for a compact and portable tool that can easily be used in tight spaces, such as electrical panels, boxes, and cabinets. Knockout punch: The device uses a knockout punch and die set to cut clean holes in metal. These punches are typically used for creating circular holes that can accommodate conduit connectors, or for other similar installations. Hydraulic operation: The Greenlee 1731 typically uses a hydraulic system to generate the force needed to drive the punch through the metal, ensuring smooth and efficient operation. This is much easier than manually using a hand-powered punch, especially when working with thicker materials. Versatility: The Greenlee 1731 can work with various punch sizes, giving users flexibility to create holes of different diameters based on the job requirements. Overall, the Greenlee 1731 is commonly used by electricians and contractors for installing knockout punches in electrical boxes and panels, making it an essential tool for wiring installations and maintenance tasks. About Us Welcome to Help! Resale, your go-to consignment shop where value meets quality. At Help! Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your gently used items. Help Resale 7200 Fair Oaks Blvd Ste 120 Carmichael CA 95608 Business Hours : Monday-Friday: 9:00 am to 5:30 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)