The Kensington Twin Head Cable Lock from Lenovo (45K1620) helps to protect your ThinkPad, IdeaPad, and ThinkCentre systems, projectors, port replicators, docking stations, and flat-panel monitors from theft. This easy-to-use cable lock works on any Lenovo equipment with a security slot. Features include:- Strong security cable with aircraft grade steel and Kevlar brand fiber -- Powerful protection for your PC and PC accessories- T-bar lock for secure locking into security slot- Excellent lock and cable for industry-standard physical computer security- One-piece design for ease of use- Easy to install -- Does not require glue, brackets, or screws- Convenient Velcro strap keeps MicroSaver compact for travel or storage