Features Include: Full scale length, approximately 21.5" Each Comet car is available in both coach and commuter cab versions Each Horizon car is available in both coach and dinette versions Accurate scale details Separately applied metal handrails Rubber tubular-type diaphragms on each end ( 1 on the Comet commuter cab car) Interior seating Accurate inside-bearing commuter trucks (Comet) Accurate-modeled die-cast Superliner II trucks (Horizon) Operating tail lights (operating tail lights and headlight on cab car) Accurate painting and lettering 2 rail version equipped with scale wheelsets and body-mounted Kadee compatible couplers Die-cast operating couplers (3-rail) Minimum radius (3-Rail): O-54