Kensington K64590US MicroSaver DS Keyed Ultra-thin Laptop Lock Nearly impenetrable disk style keyed locking mechanism Attaches to ultra-thin notebooks via the Kensington Security Slot found in 99% of notebooks Patented T-bar locking mechanism provides superior strength and theft protection Super-strong 5-foot carbon steel cable provides greater security in a 10%-thinner design 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.