4mm/1: 76 scale for OO railways or 20 mm wargames.
Stone tunnel or bridge portal to span an 86 mm wide gap.
Can be used for road or river traffic.
Not suitable for running locos or rolling stock under unless narrow guage.
4 piece set. Arch + 2 retaining walls and a top wall strip when using as a bridge.
Dimensions. Exterior front piece is 120 mm Wide x 4 mm Thick x 70 mm High Arch is 86 mm wide x 48 mm high.