• ThinkCentre A51 (type 8129, 8132, 8133, 8134, 8135, 8136, 9212)
• ThinkCentre A51p (type 8420, 8421, 8422, 8423, 8427)
• ThinkCentre M51 (type 8096, 8097, 8141, 8142, 8143, 8144, 8145, 8146)
• ThinkCentre M51e (type 9213)

Cable examples:

Padlock loop
Your computer is equipped with a padlock loop that locks the cover to your computer when a padlock is installed. Using a padlock at least or at 5mm or 3/16-inch can secure your computer cover to help prevent unauthorized people from gaining access to the inside of your computer.

Padlock
Your computer is equipped with a padlock loop such that the cover cannot be removed when a padlock is installed.