Trailer Door Lock Box for roll up door Trailers 

Roll Up Door LockTrailer Lock Box #8055W
Lock is permanently installed on the trailer
door. Provides protection without the hassle of
having to put on and take off a padlock at
multiple stops. Reduces theft from driver
forgetting to use padlock. Easy to install.
Includes a high security ABLOY® lock cylinder

Lock Box replaces the standard trailer latch.
The end of the trailer handle is inserted in the
                                                                 latching lock on the Lock Box. Lock Box is
                                                                 spring loaded to automatically locks when the
                                                                 handle goes into the lock mechanism