Kensington MicroSaver Master Keyed Lock - On Demand (K64599US) Cable Length: 6 ft. / 1.8 m Cable Thickness: 5.3 mm Cable Type: Standard Lock Management: Master Access On Demand 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. Ships with two user keys per lock. Order master keys separately at kensington.com/ondemandkey 6 foot 5.5mm cable for easy installation and portability Locks into the standard Kensington secuirty slot found in 99% of laptops, and many flat panel monitors, CPUs, projectors, printers, docking stations, tablet PCs and other devices Patented defense system guards against lock tampering Patented T-bar lock provides superior lock strength and theft protection