Vivere's Chain Hanging Kit is a safe and easy way to hang your hammock from trees or wooden posts, each item in the kit is zinc coated to withstand the elements of nature. The kit is included with all of our spreader bar hammocks and contains all the hardware necessary to hang your hammock. The chain kit contains: 2 Eye Bolts with Hooks, 2 S-Hooks, 2 Piece of chain, 14 links each (use to adjust for optimal hanging height).