Woodland Scenics C1156 Double Track Tunnel Portals Concrete x 2
For a tunnel that requires a double tunnel portal, the Concrete Double fits perfectly over two N scale tracks.
Outside: 3 7/8" w x 2 1/2" h (984mm x 635mm) each Inside: 2 7/16" w x 2 1/16" h (619mm x 523mm) each
