Vestil Dock Chain Bollard Barrier creates a safe environment for both personnel and products. The steel constructed double chain design adds extra security for doors up to 10'. Unit is designed with a safety yellow finish for clear visibility, and a bolt on chain hook-up enabling a quick installation or removal. Chains are mounted at 21" and 41" high on the bollard and the chain can be cut to size upon request. Includes two (2) bollards, two (2) 127" long chains and one (1) DCBB-B-KIT. Concrete anchor hardware any others.