Combination notebook lock protects your notebook and personal information from theft. Lock includes a keyless four-wheel combination lock and 6' long self-coiling steel cable that retracts to 3. Slim-profile lock attaches to 99 percent of notebooks with patented T-bar locking mechanism for a secure grip to the slot. This easy-to-use combination lock has a low-profile design, comfort grip dials, 10,000 personalized combination codes, and self-coiling cable for easy travel to keep notebooks securely anchored. Online registration makes it easy to retrieve lost combinations.