This product is either discontinued or we cannot get that from suppliers.
Hp T1A64AA Dual Head Keyed Cable Lock, Keys Included-2, Galvanized Steel/Vinyl, Cable Length 7 ft, Diameter 0.2".
Get hardware security for your notebook and another device like a display or dock with the HP Dual Head Keyed Cable Lock, which locks both devices to the lock and then a third fixed surface.