4mm scale etched brass kit with whitemetal castings. This kit includes a Cleminson six wheel underframe, but does not contain a roof which has to be fabricated from plans supplied. Southwark Bridge Kits do not contain wheels, bearings, couplings, wire or rod. Kit requires 3 axles of 3ft 7in (14mm) Mansell coach disc wheels. We can supply 00 wheels by Markits or Alan Gibson and screw link couplings by Roxey Mouldings or Markits/Romford.