Notebook lock offers the advanced disc-locking technology. Features with carbon tempered steel core cable, external braided steel sheath, and patented T-bar locking mechanism that attaches to the standard Kensington security slot found in 99 percent of notebook and computer devices. Easy to install and use to protect high security computer devices. Sleek styling and design won't block notebook ports or lift a notebook off the desk. Notebook lock includes rubber tie for cable cord management and porta bility. Includes two keys.