These are N Code 55 track pieces to Create an 11.25" Radius Full Curve from Atlas Model Railroad. 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 ultimate in performance, reliability, and realism. Carded packaging. INCLUDES: One N Scale Code 55 11.25" Radius Full Curve (6 Pieces). SPECS: Scale: N 1:160 Code: 55 (.055") sdw 6/18/02 ir/kh