Model: The cars have detailed, partially open frames and many separately applied details. All of the tank cars have different car numbers. The cars are individually packaged and there is a master package. Length over the buffers per car 18 cm / 7-1/16". Total length over the buffers approximately 54.5 cm / 21-1/2". DC wheelset per car E700580.Prototype: Three type Zacens four-axle tank cars. Version with insulated funnel-flow tanks, side ladders, and type Y 25 trucks. Privately owned by Wascosa, Inc., Lucerne, Switzerland, registered in the Netherlands. The cars look as they did around 2014.