Arched Bridge. Gauge : Z. Length 220 mm / 8-13/16". Group : Accessories. Subgroup : Bridges. This bridge is for Z Track. It is the same length as 2 x 8500 or 1 x 8505. It can be used with the 8978 and 8979 pillar sets. Item belongs to Z Gauge. For crossing valleys, rivers, other tracks.