Full bridge set double track span (picture shows single span)This full bridge kit comprises the following items: 2x 7 226 Double track bridge, span 170mm, height 124mm 1x 7 227 Pair of internal bridge walls 2x 7 228 Pair of wing walls, height 113mm, width 112mm Please note that the illustration of the fully completed bridge set shows the single span. Models are supplied unassembled and unpainted.