PECO SL-710FB Rail Joiners O Gauge PECO STREAMLINE O CODE 143 RAIL JOINER Peco Streamline Flat Bottom 0 Gauge track is superbly detailed, with correct scale width 'wood grain' sleepers and integrally moulded baseplates with Pandrol (TM) type rail fixings. The SL-713 Transition Track is an ideal way to connect Flat Bottom track to the Bullhead Setrack and Streamline track systems. All rights reserved.