Kensington K64590US 1.5m cable lock

MicroSaver DS Keyed Ultra-Thin Notebook Lock idea: High security goes low profile.

The Kensington MicroSaver® DS Keyed Ultra-Thin Notebook Lock is designed for the ultimate defense of even the thinnest notebook. The nearly impenetrable disk style keyed locking mechanism along with an advanced cable design provides greater security. And with the rotating, slim lock head and a pivoting cable you can be sure it'll attach easily without getting in the way.

-Nearly impenetrable disk style keyed locking mechanism.
-Attaches to ultra-thin notebooks via the Kensington Security Slot found in 99% of notebooks.
-Patented T-bar locking mechanism provides superior strength and theft protection.
-Super-strong carbon steel cable provides greater security in a 10%-thinner design.
-A rotating head and pivoting cable allow you to easily connect to your notebook and position the lock.