The USBPNLBFBM3 3ft Panel Mount USB Cable features one USB-B male connector on one end and a USB-B panel mount female port on the other, providing a convenient solution for custom enclosures (internally mounted hard drives). Offering 3ft in cable length, the adapter allows you to extend the connection as needed within the system case. The USBPNLBFBM3 is backed by lifetime warranty for guaranteed reliability.