M-TRAK is an easy-to-install Nn30 (30") Gauge N-Scale mine track system that includes turnouts, turntables, curved, straight, crossover and flexible track sections with laser-cut wood ties and easy-to-bend phosphorous bronze rails. A measuring tool, track gauge & bending jig is included in each package. Five(5) 90 Degree Crossover Sections with 24" of Rail.