Exodus 36:13

Then they made fifty gold clasps and used them to fasten the two sets of curtains together so that the tabernacle was a unit.

(New International Version)

He made fifty clasps of gold and joined the curtains to one another with the clasps, so the tabernacle was a unit.

(New American Standard Bible)

And he made fifty taches of gold, and coupled the curtains one unto another with the taches: so it became one tabernacle.

(King James Version)