Numbers 4:31
And this is what they are charged to carry, as the whole of their service in the tent of meeting: the frames of the tabernacle, with its bars, pillars, and bases,
Numbers 3:36-37
And the appointed guard duty of the sons of Merari involved the frames of the tabernacle, the bars, the pillars, the bases, and all their accessories; all the service connected with these;
Exodus 26:15
"You shall make upright frames for the tabernacle of acacia wood.
Numbers 7:8-9
And four wagons and eight oxen he gave to the sons of Merari, according to their service, under the direction of Ithamar the son of Aaron the priest.