https://articlescad.com/15-ama....zing-facts-about-hoo
What is a Hook Lock Van? Hook lock vans are an electronic version of deadlock that operates independently of the locking system of your manufacturer that is fitted to the door and connecting panel using a hook style bolt which connects to a receiving bracket that provides security at the top of the line. They can be keyed alike with your other van locks so you only have one key for all your locks. They can also be outfitted with lock shields to guard the cylinder from attack by crowbars. Ho