The MicroSaver lock head features the patented T-bar locking mechanism. The T-bar provides a tight fit with the Kensington Security Slot. A rubber bumper ensures a snug fit between the lock and the security slot and protects your hardware. A further deterrent is the tamper evident feature. When a Kensington MicroSaver lock is tampered with, it locks itself down and can even trap foreign keys. All laptop locks are not the same; locks differ based on lock technology used, the ease of use and the level of security provided. This MicroSaver lock is built to exacting engineering standards. We provide two keys with each standard lock. Each key is stamped with a unique code. Register your code online and well be able to send you a replacement key. Our business is protecting yours Kensington locks are made with high-carbon steel cables and tested under rigorous real-world conditions to resist lock-picking, corrosion, tampering and extreme environments. Our locks set the indust.