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What is a Hook Lock Van? A hook lock van is an independent mechanical deadlock that operates independently of your manufacturer's locking system. It comes with a hook-style bolts that hook into the receiving bracket and provides greater security. It is possible to have these locks that are keyed identically to your other van locks, meaning you only require one key to unlock your entire set. They can be fitted with lock-shields to shield cylinders from crowbar attacks. Hook Locks When it come