Exodus 26:9-11

New Revised Standard Version Catholic Edition

⁹ You shall join five curtains by themselves, and six curtains by themselves, and the sixth curtain you shall double over at the front of the tent. ¹⁰ You shall make fifty loops on the edge of the curtain that is outermost in one set, and fifty loops on the edge of the curtain that is outermost in the second set.

¹¹ You shall make fifty clasps of bronze, and put the clasps into the loops, and join the tent together, so that it may be one whole.