Exodus 36:20-22

American Standard Version

²⁰ And he made the boards for the tabernacle, of acacia wood, standing up. ²¹ Ten cubits was the length of a board, and a cubit and a half the breadth of each board. ²² Each board had two tenons, ^[a]joined one to another: thus did he make for all the boards of the tabernacle.