Keluaran 36:12

36:12 He made fifty loops on the first curtain, and he made fifty loops on the end curtain that was in the second set, with the loops opposite one another.

Keluaran 26:6

26:6 You are to make fifty gold clasps and join the curtains together with the clasps, so that the tabernacle is a unit. ¹ 

[26:6]  ¹ tn Heb “one”; KJV “it shall be one tabernacle”; NRSV “that the tabernacle may be one whole”; NLT “a single unit.”