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L4V Hook Lock L4V's statement lock is a van-mounted surface lock that protects side-load doors from the threat to 'peel steal'. It is fitted externally bracing the door and acts as a visual deterrent. It is operated using an ultra-secure key. It functions independently of the locking system used by the manufacturer. Kits are designed for specific vehicle doors and come with UV-stabilised black exterior trims of nylon. Hook Locks Van hook locks operate independently of the manufacturer's locking system that is use