The Adjustable Container Lock is a heavy-duty container lock & cargo door lock suitable for trucks and containers with laser cut locking holes for accuracy. It has specially bent lock claws engineered by suspension and spring makers. Due to flexible adjustments, the 5th lock can be used on any cargo vehicle to shipping containers. It is made from high tensile spring steel and is resistant to bolt cutters, is electro-plated for durability and has a clever locking system that uses union cylinder bolt sleeve. The double locking system can lock shipping container locks with lock rod distances between 340mm to 420mm.