20-520 Kato 20-520 Single Track Curved Viaduct Radius 315mm 45 Deg.(2)Pack of two sections of Kato track for use with your 1: 150 scale model railway. These track sections use nickle silver rail and include the required rail joiners to connect to another section of track. Features Kato Track Section Suitable for 1: 150 Model Railways Contents 2 x Kato Curve Track Sections Specifications Curve Radius 315mm Curve Degree 45 Curve to Circle 8