SKILCRAFT® - NSN3842016 Notebook lock deters thieves from stealing your notebook and the personal information on it. Design features carbon-tempered steel core cable and external braided steel sheath. Patented T-bar locking mechanism attaches to the standard Kensington security slot found in 99 percent of notebook and computer devices. Sleek styling and design won't block notebook ports or lift a notebook off the desk. Notebook lock includes two keys and a rubber tie for cable-cord management and portability.