A NanoSaver® primary lock secures laptops and other devices with Kensingtons NanoSaver slot. A MicroSaver® 2.0 secondary lock secures peripheral accessories featuring the standard size Kensington security slot. Cut-resistant carbon steel cable includes a protective sheathing to help keep attachment points such as desks and tables free from scratches Slim Nano lock head design wont interfere with I/O ports or raise the device off its surface Each Kensington lock is precision engineered to meet or exceed rigorous industry standards for strength, physical endurance and mechanical resilience 5mm keying system - common across all of Kensingtons latest locks - so theres only one keying system to manage. Smaller key opening helps thwart picking attempts Register & Retrieve, Kensingtons online key registration program that allows for quick, secure and free key replacement if ever lost or stolen The latest laptops from HP, Lenovo and Asus increasingly feature the Kensington Nano Security