Etched Ladder set for X23 boxcars and later car versions rebuilt from the X23. This set is for 4 ladders of 5 rungs each. Includes ladder side rails, rungs and an assembly tool. ACC glue is recommended to use in assembly. An etched metal bender tool and cutters are also recommended. Set includes Instruction sheet 10075. This Set is for all #10000 Series Kits and #11600 Series Kits EXCEPT #11661-11662. Kits #10061 and #10062 will need to order TWO sets of ladders.