The K-Line O 27 Tubular Curved Track Sections Super K 60pc are model train track pieces designed for use in O scale model railroads. These track sections are curved in shape, making them ideal for creating realistic layouts with sharp turns. With a scale of 1:5, these tracks are compatible with various model train sets and provide a sturdy and durable foundation for your layout. The K-Line brand ensures high quality and reliability for your model railroading needs.