N Gauge W-irons. Taken from kit 619, 32ft Gresley brake van and designed to fit isinglass 3d printed underframe.
Width of w-iron - 14mm, chamfered to help fit. length along spring 12mm 2mm frame depth. Designed to work with N Gauge society axles without bearing caps.
2 types are available, spring in front of the w-iron and spring behind. W-irons are marked with either 'F' or 'B' for easy identification
