Do you want to secure your trailer, camper or caravan while it's not attached to your vehicle? This SCA Trailer Coupling Lock slips into the trailer coupling and locks in place to stop unwanted attachment to a vehicle. Manufactured from heavy duty steel this coupling is resistant to impact and heat damage, and is powder coated to minimize corrosion and general wear and tear. With an adjustable locking bar height this lock is suitable for a wide range of trailer coupling types, and comes with two keys to ensure a spare in the case of losing one.