One of the most popular box cars on America′s rails, thousands were built in the 1950s as railroads began replacing worn-out older equipment. The rugged all-steel construction insured a long service life well into the 1980s. These superbly detailed HO Scale models come fully assembled, ready for service. Each includes a one-piece, injection molded body mounted on a metal floor. Separate details are already installed and include: see-through roofwalk, sliding doors (correct style for the prototype car), latches, grab irons, ladders and brake gear. Each rides on Kadee(R) trucks with patented self-centering action for ease of placement on the tracks. Scale draft gear boxes include delayed centering action Magne-Matic(R) metal couplers. Models feature a riveted roof.WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov