Intricately Detailed, Durable ABS Body Colorful, Attractive Paint Scheme Metal Wheels and Axles Die-Cast 4-Wheel Trucks Fast-Angle Wheel Sets Needle-Point Axles (2) Operating Die-Cast Metal Couplers O Scale Kadee-Compatible Coupler Mounting Pads Detailed Brake Wheel Separate Metal Handrails 1:48 Scale Dimensions Unit Measures: 15” x 2 11/16” x 3 3/4” Operates On O-31 Curves