Double-sheathed design boxcars were more common in the early decades of the 20th Century. The inner and outer walls protected the structural framing and provided better insulation for the car. These were used nationwide to haul a wide variety of goods and cars of this style were common into the steam to diesel transition era. Die-cast trucks with operating couplers Hidden uncoupling tabs Opening doors Easy conversion to scale couplers and 2-rail wheels (not included) Separately applied detail parts PRODUCT SPECIFICATIONS Rail Line: New York Central Road Number: 161525 Gauge: O Gauge Min Curve: O31 Dimensions: Length: 11 1/2" Most Recent Catalog: 2023 Volume II Catalog