This listing is for a COMPLETE SET of our O gauge Timber Frame accessories. This set includes 2 Timber Frame Tunnel portals AND 2 Timber Frame retaining walls (one left and one right). 
 
The O Gauge tunnel portals measure 9 1/2” L by 9 1/2” H. Inside opening measurements are 5 1/2"W by 6 3/4"H. 
The O Gauge retaining walls measure 9" L X 8" H.
 
Made from solid wood and finished in a light brown stain.
 
All of our products are proudly Made in the USA!
 
*TRAIN & ACCESSORIES NOT INCLUDED