Designed to fit into Kensington's Nano Security Slot™, the NanoSaver™ Dual Key Laptop Lock secures ultra-thin laptops, tablets and 2-in-1 devices as well as any secondary device with Kensington's standard Security Slot™ slot, while providing the quality engineering and robustness that make Kensington the choice for professionals for more than 2 years 5 Years Developed to strict specifications and using patented technologies and rigorous testing in harsh environmental conditions, the NanoSaver Dual Key Laptop Lock represents the next generation of security features for ultra-thin devices and desktop devices. The robust 10mm lock head with CleatTM locking technology attaches to the Kensington Nano Security Slot that some ultra-thin laptops and tablets have for absolute security. Secondary lock with T-Bar technology provides unmatched robustness with devices with the industry-standard Kensington security notch. The 5mm Keyed Locking System is compatible with all recent Kensington locks, includes patented Hidden PinTM anti-pick technology and is part of our robust custom lock management solutions, which offer the options of both master key (K64449M), key alike (K64449S) and keyalike (K64449L). Carbon steel cable resists cutting attempts and discourages them. The swivel and rotating cable allows for optimal laptop locking. The Register & RetrieveTM program provides a free, secure key replacement through a cloud platform. The lock has been checked and tested to the highest standards in terms of resistance to torsion and pull, the use of foreign instruments, corrosion and other environmental conditions, as well as for its life cycle and key robustness. The limited lifetime warranty is offered by Kensington, a leader in the laptop lock industry. The go-anywhere key allows user and administrators to open or reset locks at any time