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Van Security Hook Locks Van security hook locks provide an additional layer of security from theft. They operate independently of the manufacturer's lock system and can be operated using a a high-security key. They're a great defense against door-peeling burglaries, since they hook onto the receiver bracket and make it more difficult to force open. They can be installed to the side and rear doors of most vans. They are a mechanical type of deadlock Van Security hook locks are the newest