The Gargraves Phantom 3 Rail Wood Tie Tin 37" O-Gauge Straight Track Lot of 12 is a pre-built set of straight track pieces made of wood and metal two are curved and one is slight nine are straight designed for O-gauge model railroads. With a scale of 1:48 and an analog control system, these tracks are part of a three-rail system and are ready to go out of the box. Produced by GarGraves in the United States, this set is perfect for adding to your model railroad layout or for creating a new one. Each piece is 37 inches long, making them ideal for larger-scale layouts.