https://www.ebay.com/sch/i.html?_nkw=Wiebetech+Usb+Writeblocker&_sacat=0&_dmd=2

Wiebetech Usb Writeblocker

Regular price
$164.00
Sale price
$108.00

CRU-DATAPORT 31300-0192-0000 USB WriteBlocker RoHS