4mm/1: 76 scale for OO railways or 20 mm wargames.
Brick tunnel or bridge portal to span a 48 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 80 mm Wide x 4 mm Thick x 65 mm High Arch is 48 mm wide x 47 mm high.