Miscellaneous Electronics
StarTech.com 2ft (60cm) 2-Port USB to Serial Adapter Cable, COM Retention, FTDI, USB to DB9 RS232, Changeable DB9 Screws/Nuts
INTERCHANGEABLE NUTS & SCREWS: Secure the adapter to serial devices using the pre-installed DB9 nuts, or install the included DB9 screws for compatibility with serial peripheral devices/cables; Add two DB9 RS-232 ports to a computer, using a USB-A...
https://www.bizrate.co.uk/miscellaneouselectronics/startech-com-2ft-60cm-2-port-usb-oid28528695843.html