Features:

• Easy-to-use computer combination lock provides superior data security with no keys to lose.
• Lock cable is fully retractable, and stores easily in convenient carrying case.
• Patented T-bar lock provides most secure locking.
• Fits into the Kensington Security slot found in 99 percent of notebook computers.
• 4-foot cable securely anchors notebook.

Editor Reviews:

Product Description:
Kensington's MicroSaver Portable Notebook Combination Lock provides keyless security and portability. Fully retractable, 4-foot cable stores in convenient carrying case. Patented T-bar lock provides most secure locking. MicroSaver Portable Notebook Combination Lock fits into Kensington Security slot found in 99 percent of notebooks.

Rating : - Only three digits
Only three digits on it so it prevents people from picking up laptop and walking away, but easy to crack if you sit down for 5 minutes and try. Convenient, however, in that there isn't a key to carry around.