This rubber commercial seat comes with chains and hooks. The seat is 6" x 24" and has triangle hardware on the sides. This seat comes with two s-hooks, two 5 1/2 ft. zinc chains and two quick clips. The chain is 3/16" zinc plated and the working load is 750 pounds each. The standard length of the chain is 5 1/2Ft. All of this will come fully assembled to you.