Z SCALE MODEL RAILROAD ( TRAINS )

Z Scale ( 1:220 ) Gauge: 0.257” (6.52mm) Z scale the smallest commercially available scale in model railroading. Z scale is popular with apartment dwellers and others with very limited layout space. Z scale is approximately 0.0545 inches to the foot, but that doesn't hurt its popularity. Z scale is the fastest growing scale. Some Z scale manufacturers offer briefcase layouts; entire track layouts with landscape, buildings, and a power supply all in a briefcase.