Deter thieves from stealing your notebook and the personal information on it. Patented T-bar locking mechanism and super-strong carbon tempered steel cable provide maximum protection that attaches to the standard Kensington security slot found in 99% of notebooks. Secure protect and lock down your computer and leave it safe. 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.