Set of escalators in HO scale (1:87). Total width is 14.5mm. The escalators have a flat base so you can place them at a flat surface and don't need to cut any holes in the floor. The escalators vary in height with 2 steps at a time, the height is measured from ground to top of platform: 18.4mm 23.6mm 28.8mm 34mm 39.2mm 44.4mm 49.6mm 54.8mm 60mm 65.2mm 70.4mm 75.6mm 80.8mm 86mm 91.2mm 96.4mm 101.6mm