Here are some used harbour items  from Triang Minic Ships. Here are 3 crane sets with jibs and 3 sets without their  plastic jibs, making 12 cranes in total.  Shown in photo with  green, orange and brown  bases but may be any selection  of either. Condition is playworn, used reasonable.

Size is  2 by 1 inches or 49 by 23mms Triang code M839 Our ref  ACCS22.