Micro-Trains 99400811  ABOX  50467, 50445, 50523, 50532, 50654, 50676, 50898, 50910  Railbox Eight-pack   Ztrack Center authorized dealer item. This 50’ rib side box car with plug & sliding door and no roofwalk is yellow with black door and runs on Barber Roller Bearing trucks. It was built in 1978 as part of series 50400-50999. Railbox was established as a free-running nationwide pool of general service box cars to help alleviate box car supply problems.    NIB