SL702FB 12 Yards O Gauge Code 143 Flexi Track Concrete Sleeper (Ties) Flat Bottom (12 Pieces Boxed)This new track complements the existing SL 700FB flexible track with wooden sleepers (ties) and the right and left hand Code 143 turnouts SL E791FB and SL 792FB. The detail on the sleeper base moulding is extremely accurate, with clear and fine detail of the Pandrol style rail clip and the subtle angled profile of the sleeper itself. Each length of track is 3 feet (914mm) in length and features nickel silver rail. Code 143 track components are