Introducing the TYCO 18" RADIUS HO scale Terminal RERAILER Model 439! This high-quality piece is perfect for any model railroad enthusiast looking to add some exciting new features to their collection. Made with durable steel materials, this 2-Rail-2-Conductor rail system boasts a smooth curve track form that will ensure your trains glide seamlessly along the rails. Measuring in at 18 inches in length, it's the perfect size for any HO scale layout.