Numbers 4:31-33

31This is what they are responsible to carry as the whole of their service at the tent of meeting: the supports of the tabernacle, with its crossbars, pillars, and bases,

32the posts of the surrounding courtyard with their bases, tent pegs, and ropes, including all their equipment and all the work related to them. You are to assign by name the items that they are responsible to carry.

33This is the service of the Merarite clans regarding all their work at the tent of meeting, under the direction of Ithamar son of Aaron the priest.”