Kensington MicroSaver Portable Notebook Combination Lock 64087 Easy-to-use computer combination lock provides superior data security with no keys to lose. Lock cable is fully retractable, and stores easily in convenient carrying case. Patented T-bar lock provides most secure locking. Fits into the Kensington Security slot found in 99 percent of notebook computers. NOTE: Not compatible with several 2016 Dell laptops and tablets including some Inspiron, Latitude, Venue, XPS, and Chromebook 13 models that use the Noble lock slot. Please review your devices technical specifications.