The Kato N Scale Unitrack Switching Siding Set V4 makes it easy to add spurs for switching industries on your Unitrack roadbed-style track layout. The set includes two remote-control No. 4 turnouts, switch controllers, straight track, controller wires 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.