4mm scale Etched Brass Kit with whitemetal castings and vacuum formed roof. Southwark Bridge Kits do not include wheels, bearings, seats, couplings, wire or rod. Three axles of 3ft 7in (14mm) Mansell Coach Wheels needed. We can supply 00 wheels by Markits or Alan Gibson and screw link couplings by Roxey Mouldings or Markits/Romford. Originally in suburban block sets, later loose in secondary and branch line trains.