COMPLETELY SOLD OUT AT TRIX ... BUT AVAILABLE THROUGH US WHILE STOCK LASTS!Prototype: 2 German Federal Railroad (DB) type Gllmghs 37 units, built starting in 1949. Lightweight freight train units for less-than-carload-lot service. Model: The cars have sliding doors that can be opened. They also have close coupler mechanisms. The cars have different car numbers. The cars come individually packaged and marked. Total length over the buffers for the two units 292 mm / 11-1/2".