SL700BH 12 Yards Code 124 O Gauge Flexible Nickle Silver Track (Bullhead) Wooden Sleeper (12 Pieces Boxed)Peco Streamline Bullhead 0 Gauge track has set unsurpassed standards for 7mm scale realism. Superbly detailed, its 'wood grain' sleepers are the correct scale width and have integrally moulded scale chairs with square headed fixing bolts and wooden keys. This range is compatible with the 0 Setrack range; and if, as on the real network, you wish to use a combination of Bullhead and Flat Bottom track the SL 713 Transition Track provides an ideal way to