New MicroSaver laptop security lock from D&D! Deter thieves from stealing your notebook and the personal information on it. Patented T-bar locking mechanism and super-strong carbon tempered steel cable provide maximum protection that attaches to the "micro-security" slot found on 99% of notebooks. Secure, protect and lock down your computer and leave it safe. These cables are keyed different / master-keyed. Grand master key must be purchased separately Part# 2042KEY.