A notebook is both an expensive piece of equipment and a valuable source of personal information--so you don``t want it to fall into the wrong hands. This six-foot, super-strong, steel composite cable with carbon tempered steel core helps deter theft. The patented T-bar lock simply adds more security to the tough cable. But that``s not it, the lock also features a built-in defense system to guard against tampering. Even though the lock is famous for its strength, it``s the sleek, stylish design that will initially catch your eye. Lock Type: Cable/Key; Opening Type: Cylinder; Body Material: Galvanized Steel; Color(s): Black/Silver.