Set office — These were constantly upon the place, in the execution of their office, that they might oversee the inferior porters in their work. Treasuries — In which the sacred utensils and other treasures belonging to the temple, were kept.
Related Commentaries of 1 Chronicles 9:26
1 Chronicles 9:26
26 For these Levites, the four chief porters, were in their set office, and were over the chambers and treasuries of the house of God.