Model: These cars have new car number in order to form prototypical units. This type Hkr-z 321 pair of cars is completely new tooling and is very finely constructed of plastic with many separately applied details. One car has a brakeman's platform and a hand brake, and one car does not have a brakeman's platform or a hand brake. The doors on the model can be opened and the cars have sprung buffers. In addition, the cars also have interior details. The pair of cars is prototypically coupled together. They come with the system couplers mounted, prototype reproduction couplers, and brake hoses for installation on the cars. Minimum radius for operation 1,020 mm / 40-3/16". Length over the buffers 76.2 cm / 30".