StarTech.com 6.6ft (2m) USB to Serial Adapter Cable, COM Retention, FTDI, DB9 RS232, Interchangeable DB9 Screws/Nuts, Windows/macOS/Linux - Add a DB9 RS-232 serial port to a desktop/laptop using a USB-A port; Interchangeable Screws/Nuts; DB9 screws pre-installed; DB9 Nuts included for device/cable c