Stanchions, 40" High, BlackMedium duty: The chain can be attached on the enclosed C hook or be ran in a continuous length through the top of the stanchion Use indoors outdoors Made of high density polyethylene containing UV inhibitors Recyclable Base can be filled with sand for additional stability Effective for crowd control, defining walkways, and brings awareness to potential hazards Will not rust and resists fading Medium and heavy duty options available Suitable for