The concrete single track tunnel portals are built at the entrances to tunnels. They hold back rocks and dirt from tunnel entrances and are often used in combination with retaining walls. Easy to color with earth colors liquid pigments.
Includes One Concete Single Track Tunnel Portal
Easy To Color
Meets NMRA Specifications
High Density Plaster Casting
Outside Measures 8-3/8" x 9"
Inside Tunnel Portal Measures 4-7/16" x 6-1/2"