Losing your notebook is unthinkable. Protect your computer with incomparable security, the disc lock. The most advanced disc locking technology is featured 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% of notebook and computer devices. The Master Access solution gives each user their own key and gives the IT manager a master key to open all locks.