Aluminum Sliding Window Lock secures windows. The sash and the frame are where one side of the lock is attached. The components are connected by a chain or cable, which limits how far the window may expand. If the sliding window lock is operated by a lever, locking and unlocking the window requires turning the lever.Aluminum Sliding Window Lock is simple to install, but the two ends must be connected with a drill. This lock is inserted into a sliding window's track to stop it from opening.