Atlas #4001005 O Gauge 28″ SUPER FLEX HAIRPIN STYLE FENCE-CLASS The Hairpin Fence is often used as a divider in front of multi-rail train stations to prevent waiting passengers from crossing the tracks. This low fence is a traditional design that lacks the aesthetic center bar of the modern Hairpin Fence. FEATURES INCLUDE Made from a durable composite material Perfect for use with the Maywood Station Stands at 1 1/8″ tall