Peco #NB-56F Inspection Pit 6-3/4" Long, Accepts Code 55/80 Rail. N Scale.
This detailed, injection-molded kit contains enough parts to build one pit 6-3/4" 17.1cm long, or can also create two smaller kit. Includes Code 55 rail, but is also suitable for use with Code 80 trackwork. The pit is easily extendable by using multiple kits.