Deadlocks are a very popular security option. With an increase in van break-ins. The deadlock is a cheap alternative to stopping thieves from gaining access to your expensive equipment. Available on the side load door and the rear barn door. These locks keep your door locked with a separate key to your van. This is so even if the thief clones your key, disables the alarm or even the central locking. Your van will not open if the deadlocks are locked. This has been proved effective to many handymen as they come back to their van and someone as attempted to break in but doors all securely shut. It is a very wise for you to consider these locks. You can ask anyone who has had these locks, no one would regret the decision.