6 Pieces of Track. N Code 55 track pieces to Create an 11.25" Radius Full Curve. Features: Designed with precision and sophisticated technology. Prototypically-finer brown ties and nickel silver rail. This Code 55 track piece has the same reliability and durability as the Atlas Code 80 track. Rails are smaller than Atlas' traditional N scale Code 80 track. It's the ulimate in performance, reliability and realism.