Panel-mount a USB (Universal Serial Bus)-B port, for easy access. The USBPNLBFBM3 3ft Panel Mount USB (Universal Serial Bus) Cable features one USB (Universal Serial Bus)-B male connector on one end & a USB (Universal Serial Bus)-B panel mount female port on the other, providing a convenient solution for custom enclosures (e.g. internally mounted hard drives). Offering 3ft in cable length, the adapter means that you can extend the connection as needed within the system case.