Cargo Door Lock, Adjustable to fit bars from 9 3/4" - 16" apart, The Equipment Lock Company, Mfr#: CDL-KA

Cargo Door Lock secures both doors of all semi-trailers by locking the two inner-most vertical locking bars. Adjustable to fit bars from 9 3/4" – 16" apart., No mounting required. Includes 2 keys for the high security barrel lock.