American Z Line ~ Z Scale ~ 4180 Airslide Hopper ~ 2-Pack ~ RI #8956 & #8970 ~ 916038-1
Road Numbers: 8956, 8970 AZL is including optional NO-SWAYâ„¢ bolster pins with each set. Due to the high amount of detail on the undercarriage, the cars may sway slightly. By replacing one bolster on each car with the NO-SWAYâ„¢ pin, the sway will be eliminated.