Prototype: German Federal Railroad (DB) Leig Unit type Hkr-z 321 pair of freight cars. Model: The pair of cars is completely new tooling for the type Hkr-z 321 with extremely finely detailed plastic construction including many separately applied details. The model is the version with one car with a brakeman's platform and with hand brakes and with one car without a brakeman's platform and without hand brakes. The doors on the model can be opened and the model has sprung buffers. The cars also have interior details. The pair of cars is prototypically close coupled. The cars come with mounted claw couplers. and prototype couplers and brake hoses for installing on the cars. Minimum radius for operation is 1.020 mm / 40-1/8. Length over the buffers 76.2 cm / 30.