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. 1x USB (Universal Serial Bus)-B male connector 1x USB (Universal Serial Bus)-B panel mount female port Offers 3' in cable length