The DEFCON P2KL Cable Lock is a sturdy locking device featuring a push-button for quick locking and a 6ft. steel cable with a loop on one end and a lock on the other. Any tampering will noticeably damage the computer, preventing resale and discouraging theft. The lock utilizes the security slot already built into your laptop. The Cable Lock ships with two keys. Targus DEFCON KL Cable Lock is one of many Security Cable Locks available through Office Depot. Made by Targus.