Check the listing for details. Van Dead Locks. Condition: New. Listed at 133.91 USD. The listing price is for 1 x Locks4Vans 'S' series deadlock. Simply amend quantity to order more. If you are familiar with the difference between these and slamlocks then please skip to the next paragraph, if you are not sure what each does and which is the best choice for your requirements then here is the simplest explanation: Think of the front door on a house with a yale lock (catch) and a mortice lock. If you are just popping out to the shop then you would just shut the door on the catch but if you were going to work or out of the house for an extended amount of time then you would lock the mortice also. Slamlocks are the yale (catch) type and when the door is shut they engage. These are predominantly used by couriers/delivery drivers for extra security when making drops. Deadlocks are therefore the mortice type and have to be manually locked to engage. These are used by anyone who plans to store expensive tools/equipment in their vehicle overnight or for an extended period while they are away from their vehicle. If you decide you require slamlocks then we also have a listing for them, just check our shop. (if ordered before 3pm on the date of order next day delivery will apply) As we do not work weekends, if a order is placed over the weekend the locks will not be ordered until the following Monday. Sales@Towbars On The Drive Uk Leading Name in Security.