We have a 20 4 EX CMC 7 channel balances. The rope is broken. The shoe is only 1", we think the replacement should be S380-20, but which option should we choose? Thanks!

We have a 20 4 EX CMC 7 channel balances. The rope is broken. The shoe is only 1", we think the replacement should be S380-20, but which option should we choose? Thanks!