Targus DEFCON KL is a key locking security cable for your laptop. A sturdy locking device featuring a steel cable with a pass through loop on one end and key lock on the other any attempts to remove the cable lock will noticeably damage the laptop preventing resale and therefore discouraging theft. The lock utilises the security lock slot already built into your laptop. Each DEFCON KL is supplied with 2 identical keys giving you the peace of mind of a back-up key.