The Laptop Lock PRO [Master-Keyed] is an economic yet effective laptop lock that offers added administrative options. Individual users receive their own key while the Administrator has a Master Key [Sold Separate - part #302139] that opens all the locks. This function allows for both end user flexibility as well as centralized management. The single-piece Laptop Lock PRO is simple to use, providing a universal fit for all devices outfitted with a standard security slot. The stylish and practical lock adapts nicely to the user environment and is compact enough to fit into a laptop case.