The Kato N Scale Unitrack Inside Loop Track Set V5 makes it easy to add an inside loop to your M1, M2 or starter set Unitrack roadbed-style track layout. The set includes an oval of track with 11" radius curves, a grade crossing-rerailer section and instructions. Durable Unitrack features Code 80 nickel silver rail, realistic molded roadbed for setup on any surface, strudy rail joiners (Unijoiners) which provide secure connections and electrical continuity. The Inside Loop Track Set is part of a wide selection of Kato N Scale Unitrack sets and sections.