Portal/Tunnel, HO Scale - by Scientific

• Scale replica tunnel entrance portal with retaining walls
• Cast in plaster
• Kit contains 1 - dual track portal and 2 - retaining walls
• A Micro-Mark exclusive

HO scale dual (2 track width) portal and two retaining walls. These plastic cast retaining walls and tunnel entrance far surpasses the realism of the plastic types offered by other manufacturers... So there is a light at the end of your tunnel to improve realism for your layout or diorama!