The DEFCON Mini key KL Cable lock is a sturdy locking device with a pass-through loop on one end and a lock on the other. The 6-foot durable galvanized steel from which the cable is constructed with is both cut- and rust-resistant so that its nearly impossible to destruct. if someone attempts to remove the lock it will noticeably damage The computer alerting you to potential theft and preventing resale. We know that you wont always want Your laptop chained to your desk. Including two identical miniature keys The DEFCON Mini key KL Cable lock also gives you the peace of mind of having a backup key.