Protecting your notebook from theft should be of the utmost importance. This twin lock will help you achieve such a goal. With the 7.5 foot super-strong, steel composite cable with carbon tempered steel core and the patented T-bar lock, you will be erecting a formidable defense against theft. For added protection, this lock utilizes a double lock-head system and a built-in defense system to guard against tampering. Even though security is the primary function of this lock, it still maintains a sleek, stylish look. Lock Type: Cable/Key; Opening Type: Cylinder; Body Material: Stainless Steel; Color(s): Black/Silver.