Strong, Durable, Premium Vinyl Ranch Rails Made in the USA Made for use in fencing when the vinyl posts are installed with 8ft centers, (max) These vinyl ranch rails will be notched at both ends to prevent the rail from sliding out of the fence post once it is installed. Easy installation, slide the vinyl ranch rail into the routed hole on your fence post. Product manufactured with state-of-the-art techniques and material which allow it to withstand extreme climates, proven to not fade or show any signs of deterioration.