The basin and its stand are to be made of bronze (30:17), which comes from the mirrors of the women serving at the entrance to the Tent of Meeting (38:8). If Aaron and his sons do not wash their hands and feet in the basin before entering the tent, they will die (30:20–21). The altar is in front of the entrance to the tabernacle, and the basin is between the tent and the altar (40:6–7). Thus, there is a “path” into the presence …
Baker Publishing Group, The Baker Illustrated Bible Commentary, by Gary M. Burge