Miscellaneous Electronics
StarTech.com 10ft/3m USB to Null Modem Serial Adapter Cable, COM Retention, FTDI, USB-A to RS232, Changeable DB9 Screws/Nuts
INTERCHANGEABLE NUTS & SCREWS: Secure the adapter to a serial device using the pre-installed DB9 screws, or install the included DB9 Nuts for compatibility with serial peripheral devices/cables; Add a null modem RS232 port to a computer using a...
https://www.bizrate.co.uk/miscellaneouselectronics/startech-com-10ft-3m-usb-to-null-oid28422571010.html