The Kensington Twin Head Cable Lock from Lenovo helps protect your ThinkPad, IdeaPad, and ThinkCentre systems, while also providing security for your projector, port replicator, docking station, or flat-panel monitors accessories. This easy-to-use cable lock works on any Lenovo equipment with a security slot allowing security for two devices with one cable lock.Constructed with aircraft grade steel and Kevlar brand fiber Excellent lock and cable for industry-standard physical computer security slots T-bar lock for secure locking into security slot One-piece design for ease of use Easy to install -- Does not require glue, brackets, or screws Convenient Velcro strap keeps the cable lock compact for travel or storage