This dual-head lock is an efficient way to protect your system and peripheral with one security solution. You can protect your laptop and dock, your laptop and display or any other combination of products with the same key. This product features a wedge lock for systems utilizing Noble's N17 Wedge Slot and a legacy Kensington T-Bar lock for use on peripherals with a standard T-Bar slot. This product is compatible with many Dell system including: Chromebook 11 3180, Latitude 3180, Latitude 3189 Latitude 3380, Latitude 3480, Latitude 3580, Latitude 5285 2-in-1 Latitude 5289 2-in-1, XPS 9365 2-in-1