The Lionel 6-81954 O-72 Gauge 22-1/2 12" Remote Command Wye Fastrack Switch Turnout is a ready-to-go pre-built model designed for O gauge model railroads. This silver-colored straight track switch features a 3-rail-3-conductor power type and an analog control system. Made of plastic, this 1:48 scale Fastrack switch is perfect for adding complexity and realism to your model railroad setup.