A laptop 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: N/A; Body Material: Galvanized Steel; Color(s): Black/Silver.