Keyed notebook lock delivers maximum-strength security for notebooks. Steel composite cable with Kevlar brand fiber and patented, T-bar locking mechanism secure computer equipment. Cable is 6' and 5.5mm thick. Built-in defense system guards against lock tampering. Patented T-bar lock head, high-security barrel and round keylock have anti-rotation pins and a tamper-evident feature. Low-profile lock heads won't block notebook ports or lift laptop off the desk. Notebook lock includes two keys and a rubber cable tie for cable management.