1:120 Scale Stair Stringers cut from sheet basswood. Sheet contains 8 1:120 scale Stair Stringers each a scale 38 ft. long on a holder card along with a large count of 36" long Steps. These stringers can be cut to what every length you choose. NOTE: This scale is normally used for Museum dioramas but is also good for perspective compression in HO scale. Placing items of this scale towards the back of the layout tends to give the impression of depth that might not be there.