These are N Code 55 Track pieces to create a 11.25" Radius Half 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! Transition joiners are included. Carded packaging. INCLUDES: 11.25" Radius Half Curve (6 Pieces) SPECS: Scale: N 1:160 Code: 55 (.055") kr6/17/02 ir/kh