Designed to be Kensington's smallest lock for ultra-thin laptops and other devices, the NanoSaver™ represents the next generation of laptop security. The compact (10mm diameter) locking head is designed to meet the demands of ultra-slim devices using the Kensington Nano security port™. This master key lock gives individuals their own key and access to their own devices, as well as a master key for IT administrators to open all locks. Compatible with ultra-thin laptops and devices using the Kensington Nano security port™ The carbon steel cable is cut-resistant and can be anchored to a desk, table or any other fixed structure A fully rotating cable creates greater freedom of movement so you can insert your key with complete ease Developed to strict specifications for torque/pull, foreign tools, lock cycle, corrosion and key strength The Register & Retrieve™ program offers free and secure cloud-based key replacement