Exodus 25:14

You shall put the poles into the rings on the sides of the ark, that the ark may be carried by them.

Surrounding context

25:13 And you shall make poles of acacia wood, and overlay them with gold.

25:14 You shall put the poles into the rings on the sides of the ark, that the ark may be carried by them.

25:15 The poles shall be in the rings of the ark; they shall not be taken from it.