Check the listing for details. Flex bar Model 14517 Optical Center Punch. Condition: New – Open box. Listed at 75.99 USD. The Flexbar Model 14517 Optical Center Punch is a high-quality tool designed for precision metalworking. Made with hardened steel and featuring a 3/8 inch punch size, this center punch is perfect for accurately marking the center of a material. The optical center punch design ensures a clean and precise punch, making it ideal for a variety of industrial and manufacturing applications.The Flexbar Model 14517 Optical Center Punch is a high-quality tool designed for precision metalworking. Made with hardened steel and featuring a 3/8 inch punch size, this center punch is perfect for accurately marking the center of a material. The optical center punch design ensures a clean and precise punch, making it ideal for a variety of industrial and manufacturing applications.