3922 605 Heavy Duty Surface Bolt - 8" - Polished Brass
If you want the inactive door to operate as unlatched when the active door is in the openn position, as a fully automatic, you then unlatch the manual version and when the door is opened or closed is how you will control whether or not the inactive door is latched or unlatched.
As an example if you wanted to specify the Trimco 3922 in the oil rubbed bronze finish you would simply specify it as Trimco 3922 x 613 whereas the six13 specifies the finish and in this case oil rubbed bronze.